CTS Turbo BOSS Turbo Kit

[Zach L]

I think it's about time this upcoming (Bolt-On Speed Solution) turbo kit has its own thread.

I aggregated the posts I found about it, and posted the date at the top of each quote...


This is something we've been working on for B8 that can house a turbo substantially larger than a K04:

http://www.ctsturbo.com/cart/VagBoss1.jpg
Target price for the hardware will be just below $3000.00, keep in mind software and fueling would be additional. As you can see this setup has internal DV/BOV right now, internal WG, and the idea is plug and play with an OEM+ look.
Most likely the low pressure fuel pump and fuel injectors will have to be upgraded.
It is our next big project to cast. Rome wasn't built overnight guys.
May 10 I messaged them and they told me they were working on prototypes
I've been messaging them over the last couple weeks. Expected timeline late summer, will be able to use factory location downpipe and FMIC. So, could be big savings for those of us who have already put in a HFC and FMIC. [:D] It's expected to work with Garrett Turbos.
We're still working on the hardware at this point. The Compressor housings are complete and ready to go, the hot side is in casting along, and our wastegates are in the works. This project will be released later this year after our MQB (VW MK7/8V Audi kit - pics below)

https://scontent.xx.fbcdn.net/t31.0-8/14249777_10157688393640001_5052670642412899464_o.j pg

https://scontent.xx.fbcdn.net/t31.0-8/14195316_10157688393575001_4015633326844628890_o.j pg

Not B8 Related, but this is what we are wrapping up before the BOSS (Bolt On Speed Solution for B7 & B8 platform), as you can see it's pretty OEM+ looking when installed, expect the same for the B8 BOSS kits.
https://scontent.xx.fbcdn.net/t31.0-8/13669407_10157466588660001_5755810127289493585_o.j pg

They posted the following on their FB page on 11/23/16...

Gary Parga R - Hello I have a Audi A5 2.0 2010, I want a bigger turbo for my car comes out and if they send guadalajara mex
CTS Turbo - Then you may want something like this, we're working on one for the B8's too

https://scontent.fhou1-1.fna.fbcdn.net/t31.0-8/15110986_1312713512114644_4897537207408972827_o.jp g

I recognize that as an EA113 2.0T FSI engine (Mk5 GTI, Mk6 R), but hardware for our EA888.2 engines is very similar. Makes me wonder if a K04 tune could be utilized until a tune calibrated specifically for the turbo comes out. United Motorsports installed the similar Mk7 MQB version of the BOSS kit, so I assume they might be an initial source for software. The Mk7 EA888.3 MQB kits shipped in October 2016, but the exhaust housing is completely different from the EA113 and our EA888.2 engines.

These CTS BOSS kits are utilizing a Garret GTX2867R or GTX3071R turbo installed into a CTS proprietary exhaust housing. I'm pretty stoked for this.

[wxsgt]

You do know rai has a big turbo kit that doesn't integrate the turbo to exhaust manifold so you can run different turbos.

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[Zach L]

You do know rai has a big turbo kit that doesn't integrate the turbo to exhaust manifold so you can run different turbos.Yes, and I think this turbo would slot between a K04 and the RAI kit in terms of power capabilities. CTS has said their intention was to offer a plug and play solution with an OEM+ look. Any exhaust/downpipe/HFC that works with the factory turbo or K04 would bolt up to it, and factory and FMIC would connect.

[wxsgt]

Yes, and I think this turbo would slot between a K04 and the RAI kit in terms of power capabilities. CTS has said their intention was to offer a plug and play solution with an OEM+ look. Any exhaust/downpipe/HFC that works with the factory turbo or K04 would bolt up to it, and factory and FMIC would connect.
Gotcha

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[neveret]

Yes, and I think this turbo would slot between a K04 and the RAI kit in terms of power capabilities. CTS has said their intention was to offer a plug and play solution with an OEM+ look. Any exhaust/downpipe/HFC that works with the factory turbo or K04 would bolt up to it, and factory and FMIC would connect.

Having a factory fit seems like a novelty since taking advantage of that turbos power capability would likely require at the least a minor engine build. At that point what's the big deal about having a v band welded on your existing downpipe? And if you'd say just use it at safe power levels, you'd just end up with k04 power delivered with increased lag.

I considered piecing together a t25 manifold setup with a gt2871r which seemed like a nice setup but full spool after 4000 is just too laggy for my taste.

[Zach L]

Having a factory fit seems like a novelty since taking advantage of that turbos power capability would likely require at the least a minor engine build. At that point what's the big deal about having a v band welded on your existing downpipe? And if you'd say just use it at safe power levels, you'd just end up with k04 power delivered with increased lag.

I considered piecing together a t25 manifold setup with a gt2871r which seemed like a nice setup but full spool after 4000 is just too laggy for my taste.
It is not uncommon for big turbo 2.0T engines to have stock internals. What breaks internal components (i.e., rods) is high torque at low RPMs. Maxing out a K04 is less safe than producing even more power/torque at a higher RPM using a larger turbo. This is not theory, it's done often on the Mk5/6 platform. Yes, of course there is still a limit, but you'd be surprised. My assumption is this BOSS turbo will be 370-420 awhp capable on 93 pump gas (no w/m). The power band of this turbo is likely going to feel much more linear than the K04; not peaky and then falling off a little at higher RPMs.

Arin has mentioned that 2 of the 3 APR Stage 3 test mules are running stock internals and 1 is running a built engine... that didn't surprise me at all. Likely there will be version of the kit to be ran at lower boost levels on stock internals. Then there will be a 'Plus' version likely with higher boost, requiring upgrades to the low pressure fuel system and maybe intended to run with aftermarket rods.

I got my first 2.0T 11 years ago and have watched it evolve from the EA113 to the EA888 and its various generations. One thing consistent I've seen with larger turbos for these cars - you will get to the limits of the stock low pressure fueling system and the stock injectors before you reach the limit of rods AT HIGHER RPMs (this is different from a maxed out K04 with higher torque spikes at lower engine speeds, which will snap rods).

[neveret]

so why not just use one of these? these? (http://www.atpturbo.com/mm5/merchant.mvc?Screen=PROD&Product_Code=ATP-VVW-256) Additionally, why would you want to connect to the factory intercooler with a turbo this size? Pardon me for being confused by the appeal of oem+ fit/look. It seems to me the car would likely be moved from the daily driver column to current projects after the clutch and fuel system fall short and like I said you end up with car with marginal power gain over k04 variant systems with a less usable power band.

I've been playing this game a long time myself but am relatively new to the 2.0t. I've done lots of modding, and my feeling is that small displacement engines with big turbos make crummy daily drivers because they don't have any grunt when you want it, and by the time you finally get it you're on the limiter. Obviously, you should follow you're heart, but since this is a discussion forum I'd just argue that the k04 variant turbos hit the sweet spot with these cars for power/fun/reliability/money invested. Maybe you're thinking about making your car into a race machine and in that case again, pardon me.

[Lambda13]

Additionally, why would you want to connect to the factory intercooler with a turbo this size? Pardon me for being confused by the appeal of oem+ fit/look. It seems to me the car would likely be moved from the daily driver column to current projects after the clutch and fuel system fall short and like I said you end up with car with marginal power gain over k04 variant systems with a less usable power band.

I think what is meant by OEM+ fit is not having to get custom piping to hook up an existing FMIC. I figure they mean stock location more so than an actual stock IC.

[Militant-Grunt]

Pag Parts Turbo has a kit that utilizes a slew of EFRs and Garretts if anyone is looking for more meat.

https://scontent.fphl1-1.fna.fbcdn.net/v/t1.0-9/12047057_868745686535796_1217490061524732676_n.jpg ?oh=a4eb4d40197a08c798907d1bfd13d19d&oe=58C5D0E9

[Zach L]

so why not just use one of these? these? (http://www.atpturbo.com/mm5/merchant.mvc?Screen=PROD&Product_Code=ATP-VVW-256) That ATP stock location turbo is not bad, but the 'kit' has been out for a long time and it's the cast, log style manifold that has caused issues for a bunch of the Mk5 BT guys. It doesn't flow evenly and creates some kind of pulsation. Something to do with uneven runner length since the turbo doesn't mount in the center. It's cheap too at $2250, but the GT2871 turbo is outdated and is going to flow less than the turbos in the CTS kit. The GTX series is good for 20% more power than a GT series turbo of the same size, and the GTX will spool up about 400 RPM sooner too. The $800-1000 extra for the CTS kit would be worth it IMO just for the better turbo, plus you get a better manifold, and wouldn't have to create your own turbo outlet pipe. The ATP kit is made for a transverse (GTI, A3, TT) so it doesn't come with the TOP.


Additionally, why would you want to connect to the factory intercooler with a turbo this size? Pardon me for being confused by the appeal of oem+ fit/look. It seems to me the car would likely be moved from the daily driver column to current projects after the clutch and fuel system fall short and like I said you end up with car with marginal power gain over k04 variant systems with a less usable power band. Not the factory intercooler, just factory location, meaning you don't have to manufacture custom charge piping between the turbo and intercooler. This also includes the turbo outlet pipe, which is not included with the ATP kit.


I'd just argue that the k04 variant turbos hit the sweet spot with these cars for power/fun/reliability/money invested. Maybe you're thinking about making your car into a race machine and in that case again, pardon me.The k04 is great, but I'm sure some people would like to hit that magic 400 awhp number, which hasn't happened yet on a K04, not even with w/m or E85 I believe. Slowone11 made 410awhp (corrected for elevation), but that's on a Loba LO400 hybrid turbo and custom UM software.


Pag Parts Turbo has a kit that utilizes a slew of EFRs and Garretts if anyone is looking for more meat.I'd put the PPT in a league above hybrid turbos like the Loba and even this CTS BOSS turbo. Also comes in at $4,200 not including software. It also says it's only for transverse, FWD configurations. I'm sure the kit is built to the best standards and highly capable though.

[Militant-Grunt]

That ATP stock location turbo is not bad, but the 'kit' has been out for a long time and it's the cast, log style manifold that has caused issues for a bunch of the Mk5 BT guys. It doesn't flow evenly and creates some kind of pulsation. Something to do with uneven runner length since the turbo doesn't mount in the center. It's cheap too at $2250, but the GT2871 turbo is outdated and is going to flow less than the turbos in the CTS kit. The GTX series is good for 20% more power than a GT series turbo of the same size, and the GTX will spool up about 400 RPM sooner too. The $800-1000 extra for the CTS kit would be worth it IMO just for the better turbo, plus you get a better manifold, and wouldn't have to create your own turbo outlet pipe. The ATP kit is made for a transverse (GTI, A3, TT) so it doesn't come with the TOP.

Not the factory intercooler, just factory location, meaning you don't have to manufacture custom charge piping between the turbo and intercooler. This also includes the turbo outlet pipe, which is not included with the ATP kit.

The k04 is great, but I'm sure some people would like to hit that magic 400 awhp number, which hasn't happened yet on a K04, not even with w/m or E85 I believe. Slowone11 made 410awhp (corrected for elevation), but that's on a Loba LO400 hybrid turbo and custom UM software.

I'd put the PPT in a league above hybrid turbos like the Loba and even this CTS BOSS turbo. Also comes in at $4,200 not including software. It also says it's only for transverse, FWD configurations. I'm sure the kit is built to the best standards and highly capable though.

I inquired with Ppt the other day about a longitudinal B8 kit, he quoted me 3695 for the hardware kit with a EFR 6758. Comes with intake and a cat delete pipe along with all hardware. He told me he has a inhouse B8 currently in production, he will be publishing build photos in the near future but he mentioned its already availble for order now.

I had one of his kits on my usp avant, Im playing around with the idea of doing a b8 allroad now.

[Zach L]

I inquired with Ppt the other day about a longitudinal B8 kit, he quoted me 3695 for the hardware kit with a EFR 6758. Comes with intake and a cat delete pipe along with all hardware. He told me he has a inhouse B8 currently in production, he will be publishing build photos in the near future but he mentioned its already availble for order now.That's great, you should make a thread for the PPT kit. Or make a general 'Big Turbo' thread, if one doesn't already exist for our platform. This thread is intended to be for this specific turbo upgrade, production updates, and discussion once it's on the road, hence the thread title.

[KFizz]

Hopefully this turbo kit is made to higher standards than their exhaust components. What prices of shit those things were...... Unreal.

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[Zach L]

Hopefully this turbo kit is made to higher standards than their exhaust components. What prices of shit those things were...... Unreal.

Their products over the years have been generally high quality, including their exhausts. There are a ton of people running their K04 kit on the B8 A4 without any issues II'm aware of. Nonetheless, sometimes things can be overlooked in quality control, just as we often do with misspelling words ;-)

[KFizz]

Their products over the years have been generally high quality, including their exhausts. There are a ton of people running their K04 kit on the B8 A4 without any issues II'm aware of. Nonetheless, sometimes things can be overlooked in quality control, just as we often do with misspelling words ;-)
Ha! Touche. :)

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[Brandon K.]

I emailed CTS today to see if they are willing to give a rough ETA for the release on the B8 platform. I doubt they will give one but I figured I would try. With the APR kit not released after almost a year and a half from 1st photos, maybe they will push it through development quickly.


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[VNA4]

I talked to them today as well..
"Hello, the B8 BOSS kit is in development stages. Currenty we do not have any updates as we're working on 2 other vehicles before we start on Audi. Please stay tuned as we will release updates as soon as we can!"
They claim 450-600 hp depending on supporting mods.
Where you at APR? [emoji48]


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[awdconnor]

I talked to them today as well..
"Hello, the B8 BOSS kit is in development stages. Currenty we do not have any updates as we're working on 2 other vehicles before we start on Audi. Please stay tuned as we will release updates as soon as we can!"
They claim 450-600 hp depending on supporting mods.
Where you at APR? [emoji48]


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if this is true, my dreams of owning a 500+awhp a4 could become a reality.. cheaper insurance FTW..

[Brandon K.]

Maybe the fact that today alone, at least two people emailed them about the B8 kit should tell them they need to redirect their focus to Audi! Lord knows that the GTI needs yet one more stage 3 kit to complete with all the others already out and the throngs that are under development.


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[Brandon K.]

Clearly the B8 is chopped liver...


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[Castro_ny]

I talked to them today as well..
"Hello, the B8 BOSS kit is in development stages. Currenty we do not have any updates as we're working on 2 other vehicles before we start on Audi. Please stay tuned as we will release updates as soon as we can!"
They claim 450-600 hp depending on supporting mods.
Where you at APR? [emoji48]


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[emoji533][emoji97][emoji97] just happen...


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[Zach L]

I talked to them today as well..
"Hello, the B8 BOSS kit is in development stages. Currenty we do not have any updates as we're working on 2 other vehicles before we start on Audi. Please stay tuned as we will release updates as soon as we can!"
They claim 450-600 hp depending on supporting mods.
Where you at APR? [emoji48]That's not actual power figures one can count on. Since starting this thread, my assumption has always been 370-420 awhp on 93 pump gas without using water/meth. It's common for companies to write the maximum power capabilities of a specific turbocharger then say "depending on supporting mods". The limiting factor is never the turbocharger. For this car, it will be the fueling system (that has ALWAYS been the case since people started putting large turbos on direct injection engines). The only way someone will get to 600 is if they're running an alternative fuel, or have extensively upgraded the factory fueling system. The factory pumps and injectors are not capable of delivering enough pump gas to create that much power, doesn't matter the turbo.

That said, I'd still be really damn happy knowing I could fill up my A4 with pump gas and drive off with 400+ awhp.

[SleeperCar]

i hopped off the CTS train long ago...ive heard horror stories with their customer service (cracked HFC at welds...blamed it on owner)

[AllroadCorbin]

i hopped off the CTS train long ago...ive heard horror stories with their customer service (cracked HFC at welds...blamed it on owner)

I saw those threads with the cracks. Looked scary. Hope my CTS test pipe and turbo hold up


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[hyperunion]

i hopped off the CTS train long ago...ive heard horror stories with their customer service (cracked HFC at welds...blamed it on owner)
And their intercooler pipes welds breaking!

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[majerrahim]

I saw those threads with the cracks. Looked scary. Hope my CTS test pipe and turbo hold up


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I've been running cts k04 with test pipe for almost 3.5 years and no issue

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[Zach L]

And their intercooler pipes welds breaking!

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i hopped off the CTS train long ago...ive heard horror stories with their customer service (cracked HFC at welds...blamed it on owner)


I saw those threads with the cracks. Looked scary. Hope my CTS test pipe and turbo hold up


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Each of you heard or read about a problem someone else had. If forum members boycotted a company everytime someone else had an issue, there would be no company you could buy products from.

[SleeperCar]

Each of you heard or read about a problem someone else had. If forum members boycotted a company everytime someone else had an issue, there would be no company you could buy products from.

No, I was referencing customer support.... I am a big believer in supporting companies that provide the same support in return to their customers, and one of the guys that had an issue handled it perfectly and CTS didn't seem to provide any positive solutions.

My .02, take it or leave it.

[Zach L]

No, I was referencing customer support.... I am a big believer in supporting companies that provide the same support in return to their customers, and one of the guys that had an issue handled it perfectly and CTS didn't seem to provide any positive solutions.

My .02, take it or leave it.
So what I said is true then.

[SleeperCar]

So what I said is true then.

Yep, it's sort of like reviews on Amazon, shitty reviews? I'm not buying the product, plain and simple

[Zach L]

Yep, it's sort of like reviews on Amazon, shitty reviews? I'm not buying the product, plain and simpleThere are shitty reviews for every company in your signature. Even deceitful business practices for some. But I can relate - I won't buy APR.

[SleeperCar]

There are shitty reviews for every company in your signature. Even deceitful business practices for some. But I can relate - I won't buy APR.

Fair enough bro, if you roll with CTS, I hope it works out for you.

I guess I've had good experience with customer support with every company in my signature so it helped in my decision making for all my upgrades

[IHave2Turbos]

I'm not loyal to anyone but if you spend enough time doing anything on the Internet you will realize that people are generally 10x more likely to write bad reviews and almost never write good reviews unless asked specifically for their opinions.

[Roadtrippn]

lol yeah I've seen all those issues with the CTS exhaust. I'm running their K04 and HFC with no issues for a few months now. I thinking of throwing on a USP downpipe soon.

[MoonlightBlue]

Looking at the length of each tube in the manifold, I think the sound is going to be somewhat like a Subaru... I'm liking

- John

[Zach L]

More updates from CTS and United Motorsport for this kit. UM has been doing tuning and has a fueling kit. If this kit is making 475 awhp on the EA888.3, I think 370-420 awhp or more is a reasonable expectation for our cars. There's something magic about that 400 mark.

https://uploads.tapatalk-cdn.com/20170209/528e904289c7af84d3c8ba4f127cd8be.jpg

This is it mounted to an EA113 (Mk6 Golf R), but the manifold and turbo are the same for the EA888.2 (B8 A4).

https://uploads.tapatalk-cdn.com/20170209/024ac9678ea853705d1e0d12cfe16cc7.jpg

https://uploads.tapatalk-cdn.com/20170209/3c381ec9f2b0e7db717772c5b433f931.jpg

https://uploads.tapatalk-cdn.com/20170209/2a98d4e54aafd62f904283a4029c96b0.jpg

[Brandon K.]

Fyi: for anybody that is interested in knowing, this was the response I got from Arin when I asked him about what problems APR had with their stage 3 upgrade that made them decide to abandon it.



Could you please add some additional information related the the problems APR ran into? I believe it would be helpful for the community to get some background on what people will be up against if the wait for the CTS Boss kit or try and build one themselves. I am not asking you to tell them it's a bad idea or try to dissuade them, just outline the problems that APR ran into that made them decide to cancel the project.


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There were a lot of limitations on this platform. Based on what we were seeing, we didn't feel comfortable continuing on with the kit. Assuming you have a manual transmission, you'll be the best suited for a bigger turbo, but if you don't properly build the engine with an overbore, with new rods, better pistons, better rings, etc, some, perhaps a lot, may run into longevity issues.



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[2010b8a4apr2]

Well tell Arin, "no shit" that's why they suggested to add those power on, same with the golf r stage 3 builds, they all recommend internals. omg seriously. I was wondering what their deal was. there was a rumor one of their cars grenaded..... I bought all internals too just for that kit. they should just come out with it anyways, they already have most of the parts and tune done. I hate their "b8 a4s are mostly autos and no one wants aftermarket parts for their car" attitude. I really hope someone comes out with a better (higher hp) kit than the k04.

[MoonlightBlue]

Well tell Arin, "no shit" that's why they suggested to add those power on, same with the golf r stage 3 builds, they all recommend internals. omg seriously. I was wondering what their deal was. there was a rumor one of their cars grenaded..... I bought all internals too just for that kit. they should just come out with it anyways, they already have most of the parts and tune done. I hate their "b8 a4s are mostly autos and no one wants aftermarket parts for their car" attitude. I really hope someone comes out with a better (higher hp) kit than the k04.
This. VAG has been making turbo 4's for years and people like us are willing to play with our engines to make big power. Literally everyone (in the car community) with a 4 cylinder VW, Audi, or Porsche wants to mod his/her car. Audizine would die if this were untrue. I mean, you look at the WRX/STI, EVO, and all these other AWD 4 cylinder cars and they can get parts new for cheaper prices than we can buy shift knobs. It's crazy that only 2-3 tuner packages have been developed for these platforms, especially with such spacious engine bays.

I'll gladly wait and save for a built motor and CTS kit.

- John

[2010b8a4apr2]

until 2 years later they say the same thing......lol

idk I think apr should just come out with the kit and see how much money they actually make from people who want this kit

[Zach L]

Wrong thread... this is not the APR Disappointment Thread. This thread is about the CTS kit and couldn't care less about APR's failure to deliver.

[Shaph]

Wrong thread... this is not the APR Disappointment Thread. This thread is about the CTS kit and couldn't care less about APR's failure to deliver.

best thing ive read all day [:D]

[Shaph]

Anyway my built engine should be back next month and hopefully running by mid april. (EFR6758) i'll keep everyone informed how everything turns out

[2010b8a4apr2]

Anyway my built engine should be back next month and hopefully running by mid april. (EFR6758) i'll keep everyone informed how everything turns out

where did you take it, and roughly how much in labor?

[2010b8a4apr2]

and besides a pic that they posted on their fb page, itd be nice to see something real from cts or them chiming in on this kit that prob wont be out for 2 years if at all

[Brandon K.]

Wrong thread... this is not the APR Disappointment Thread. This thread is about the CTS kit and couldn't care less about APR's failure to deliver.

They closed down the B8 APR 2.0 turbo thread, after they announced they scrapped the project. Nobody can post to it now. It seems pointless to start a new thread just to try to share some insight from Arin on difficulties they had. Anybody holding their breath for a big turbo kit for a B8 will logically look here next.... just trying to help.


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[Brandon K.]

Well tell Arin, "no shit" that's why they suggested to add those power on, same with the golf r stage 3 builds, they all recommend internals. omg seriously. I was wondering what their deal was. there was a rumor one of their cars grenaded..... I bought all internals too just for that kit. they should just come out with it anyways, they already have most of the parts and tune done. I hate their "b8 a4s are mostly autos and no one wants aftermarket parts for their car" attitude. I really hope someone comes out with a better (higher hp) kit than the k04.

I hope so two. Unfortunately I think if I wait much longer to do the turbo, my car will be too far past its prime to even bother with. I would have done it when I first got the car had it been out, now it's over 100k. I think it's time for me to give up and just do the K04.


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[Zach L]

Bunch of Debbie Downers acting like APR is the only company on earth capable of building a damn turbo kit. Open your eyes and consider other avenues.

APR went corporate and sold out to Mangrove Equity a couple years ago. It doesn't make business sense for that type of entity to do a project unless they expect a certain minimum amount of profit to be made from the whole ordeal. Their sales estimates may be right or they may be wrong, but it's all irrelevant now. Other smaller companies and boutique shops, like CTS and Pag Parts Tuning for example, will step up and fill the void. Both of them have had their projects well under way, even before APR scrapped their project.

Working with a smaller company can actually be a much more pleasant experience, even ideal. PPT for instance will see things through to completion even if a one-off. He's already put one of these EA888.2 EFR kits on the road (search HYDE16) and is building a B8 A4 as we speak.

[hyperunion]

Bunch of Debbie Downers acting like APR is the only company on earth capable of building a damn turbo kit. Open your eyes and consider other avenues.

APR went corporate and sold out to Mangrove Equity a couple years ago. It doesn't make business sense for that type of entity to do a project unless they expect a certain minimum amount of profit to be made from the whole ordeal. Their sales estimates may be right or they may be wrong, but it's all irrelevant now. Other smaller companies and boutique shops, like CTS and Pag Parts Tuning for example, will step up and fill the void. Both of them have had their projects well under way, even before APR scrapped their project.

Working with a smaller company can actually be a much more pleasant experience, even ideal. PPT for instance will see things through to completion even if a one-off. He's already put one of these EA888.2 EFR kits on the road (search HYDE16) and is building a B8 A4 as we speak.
🤔... Still the volume will be tiny.. maybe what 4 b8 owners will have the kit.

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[B8_Dude97]

[emoji848]... Still the volume will be tiny.. maybe what 4 b8 owners will have the kit.

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Just make sure ur one of the 4 then [emoji854]
I'll be holding out for one of these kits if they come to reality


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[Shaph]

where did you take it, and roughly how much in labor?

i took the engine apart myself. doing most of the work myself. except for fitting the pistons, rods and the head work (valves + springs) shouldn't cost much. ive saved a lot on labour however all up build is so far 15kAUD (some parts were not necessary)

[2010b8a4apr2]

Bunch of Debbie Downers acting like APR is the only company on earth capable of building a damn turbo kit. Open your eyes and consider other avenues.

APR went corporate and sold out to Mangrove Equity a couple years ago. It doesn't make business sense for that type of entity to do a project unless they expect a certain minimum amount of profit to be made from the whole ordeal. Their sales estimates may be right or they may be wrong, but it's all irrelevant now. Other smaller companies and boutique shops, like CTS and Pag Parts Tuning for example, will step up and fill the void. Both of them have had their projects well under way, even before APR scrapped their project.

Working with a smaller company can actually be a much more pleasant experience, even ideal. PPT for instance will see things through to completion even if a one-off. He's already put one of these EA888.2 EFR kits on the road (search HYDE16) and is building a B8 A4 as we speak.

nobody's being a Debbie downer, just being realistic. some random person trying to start a rumor off what cts turbo posted on their fb page isn't legit. CTS turbo needs to actually chime in and post their builds and show us their development. Until this is shown, this is all just a rumor. All that has been proven is that they have turbos for the s3/golf r like everyone else. yes there are turbos out there that are bigger than the k04 for our cars, but none that are full kits and designed with a proper program. so yes, until that happens, most of us were looking forward to what APR had coming out. They had proper R&D. now until another company comes out with such a product, the K04 is it. Very few people have the time or experience to come out with a tune on their own, or take it to someone and "hope" it works down the road. The problem is such as APR described long before they started making this kit. This car won't bring the money they need like the s3/golf r would. its just pointless to say. "i know we said we never would but" then spend over 2 years on r&d and show proper dynos, 1/4 miles vids and be so positive on coming out with the product then not come out with the product. they already have all the stuff, just come out with it and work on the tune as necessary. the other thing is fueling, no one makes and fuel upgrades needed for much else bigger than the K04. anything bigger is just pushing the stock fueling system.

[Jezza]

Anything larger than a K04 is going to be pushing the stock pistons as well. Hell, they already fail at stock levels. Pushing more boost will only make their failure more likely. These cars need knew internals stock, to say nothing of once you start upgrading the turbo. My car will see no more boost until a) I upgrade the internals or b) I swap in a B8.5 short block.

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[Zach L]

My car will see no more boost until a) I upgrade the internals or b) I swap in a B8.5 short block.Do 'A".

You planning on running the car without a turbo in the meantime?

[Turbavanttro]

APR went corporate and sold out to Mangrove Equity a couple years ago. It doesn't make business sense for that type of entity to do a project unless they expect a certain minimum amount of profit to be made from the whole ordeal. Their sales estimates may be right or they may be wrong, but it's all irrelevant now. Other smaller companies and boutique shops, like CTS and Pag Parts Tuning for example, will step up and fill the void. Both of them have had their projects well under way, even before APR scrapped their project.

Working with a smaller company can actually be a much more pleasant experience, even ideal. PPT for instance will see things through to completion even if a one-off. He's already put one of these EA888.2 EFR kits on the road (search HYDE16) and is building a B8 A4 as we speak.

Agree 100% and well stated, large companies generally are not going to venture into these areas where the number of units that will sell is relatively limited. That's just the reality of the economics of it. CTS seems to be a perfect sized company to fill the void, and was wise to partner with UM for the tuning. That alone gives me confidence that if/when the product is finished and released by CTS as a package, it will be rock solid. Stories about a cracked weld or other hardware issues don't concern me until they become routine or common, as we all know there are two sides of every story. I will say that the welds on CTS products look fantastic when compared to some of their competitors, just my 2 cents, I've never owned any CTS hardware myself, but maybe that will change...

[shonseb]

Fyi: for anybody that is interested in knowing, this was the response I got from Arin when I asked him about what problems APR had with their stage 3 upgrade that made them decide to abandon it.

Quote Originally Posted by Brandon K.
Could you please add some additional information related the the problems APR ran into? I believe it would be helpful for the community to get some background on what people will be up against if the wait for the CTS Boss kit or try and build one themselves. I am not asking you to tell them it's a bad idea or try to dissuade them, just outline the problems that APR ran into that made them decide to cancel the project.

Quote Originally Posted by Arin@APR
There were a lot of limitations on this platform. Based on what we were seeing, we didn't feel comfortable continuing on with the kit. Assuming you have a manual transmission, you'll be the best suited for a bigger turbo, but if you don't properly build the engine with an overbore, with new rods, better pistons, better rings, etc, some, perhaps a lot, may run into longevity issues.



Not going off topic, but based on this quote, is Arin saying that a big turbo kit would be better with a manual than ZF? If CTS does drop this kit, I wonder how the tranny would hold the power

[Zach L]

Not going off topic, but based on this quote, is Arin saying that a big turbo kit would be better with a manual than ZF? If CTS does drop this kit, I wonder how the tranny would hold the powerBig-turbo, road-going VW/Audi vehicles are almost always better with a manual because a simple clutch kit will bring the transmission setup to whatever capability you need. It's never that simple for an auto.

[majerrahim]

I think any upgrades bringing stock engine to feed more hp and tq, you always need to upgrade internals, the more hp and tq the more and better internals , ideal for longevity of the car. Even stock engine fails, imagine upgraded engines

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[Brandon K.]

Based on some of the back and forth with Airn, the ZF shifts too early to get the full benefit of the big turbo. Apparently the ZF shift points are controlled by some aspect of the transmission controller and it is not easy to alter this.

With the BT there is a hell of a lot of power to be had in the 6-7k rpm and with those high shift points, the next gear shift puts you right back into that high rpm/high power range. Our ZF transmissions won't let us capitalize on that.

In addition they obviously had problems with blower motors.

Edit:
I believe the ZF transmission would also routinely operate at RPMs that a big turbo could not produce any boost at during regular driving.


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[Shaph]

Based on some of the back and forth with Airn, the ZF shifts too early to get the full benefit of the big turbo. Apparently the ZF shift points are controlled by some aspect of the transmission controller and it is not easy to alter this.

With the BT there is a hell of a lot of power to be had in the 6-7k rpm and with those high shift points, the next gear shift puts you right back into that high rpm/high power range. Our ZF transmissions won't let us capitalize on that.

In addition they obviously had problems with blower motors.



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i reckon youll have valve float between 6-7k rpm. only solution is to upgrade your valve springs.

[Brandon K.]

i reckon youll have valve float between 6-7k rpm. only solution is to upgrade your valve springs.

The stock redline is 6800 rpm on these cars, so I have my doubts that valve float would set in prior to that.


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[Shaph]

The stock redline is 6800 rpm on these cars, so I have my doubts that valve float would set in prior to that.


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With a lot more boost youll have valve float....

[lettuce]

With a lot more boost youll have valve float....

Not sure about this. There is higher pressure on the back of the valve (intake manifold side) with higher boost, but there should be equal pressure on the other side (combustion chamber) while the valve is open to counteract it. In addition to this, once the valve is closed and the piston starts compressing, the pressure inside the cylinder will be much higher than the intake tract, keeping the valve shut. Basically yeah the boost is higher, but it's higher everywhere. Higher boost shouldn't lead to any changes in pressure differentials. And as long as you're able to scavenge your exhaust gases properly (like not running a BT with a stock cat or something ridiculous), you shouldn't have to worry about increased float on the exhaust side either.

There's a little bit about it in this book here where the author Hugh MacInnes mentions this, along with some valid counterclaims by Doug Roe. But all the counterclaims are pertaining to changes how the car is driven with a bigger turbo (ie, revving higher and more often, and when installed on older cars with already weaker valve springs), and not how the physical characteristics of the engine are changed with the higher boost. (page 110 if the link doesn't send you there already)

https://books.google.com/books?id=pewyJ3_F4XMC&pg=PA110&lpg=PA110&dq=Hugh+MacInnes+%27valve+float%27&source=bl&ots=Rn-V1qokl1&sig=Eb6HP3AS8AS0Jl-cU-a7RjMGGxo&hl=en&sa=X&ved=0ahUKEwjeoL3YlObSAhVKzGMKHYcfBucQ6AEIITAB#v=on epage&q=Hugh%20MacInnes%20%27valve%20float%27&f=false

That being said, if I were to put a bigger turbo on my car I would be upgrading my valve springs. But I'd also be doing a 6MT swap to take advantage of the higher RPM range I'll be operating in.

[Shaph]

i do apologise you wont have valve float due to increased in boost (unless it is a substantial increase) however we would most likely experience it from weak valve springs

[Zach L]

With the BT there is a hell of a lot of power to be had in the 6-7k rpmI agree with you as far as the latest 8 speed auto not being ideal. But I do want to provide clarity around the 6-7k rpm figure you mention... the CTS turbo and even bigger EFR and GTX series turbos will reach full boost on the 2.0T in the 3200-3500 RPM range... essentially only 800-1000 RPM later than the factory turbo. That's a well and good sacrifice for what you gain up top. Gas mileage actually improves. Also, most people that drive a big turbo 2.0T see it as even more driveable than the stock turbos on these cars, which give an abrupt whack of power then start running out of breath. A big turbo 2.0T is smoother and has a MUCH more linear power delivery.

[Articus]

Boost pressure is equivalent to increased air density. The drag (air resistance) on the valve during it's return stroke is a function of the air density and increases as the air density/boost pressure increases. So boost pressure and weak valve springs (relative) can lead to valve float at high RPM.

[Brandon K.]

i do apologise you wont have valve float due to increased in boost (unless it is a substantial increase) however we would most likely experience it from weak valve springs

Even a substantial increase in boost should not result in valve float. Valve float is related to an inadequate amount of time to close the valves at high rpm at a given spring pressure. I don't hear people complaining about valve float below the stock redline on these motors. I suppose if you have a high mileage motor, it is possible but then you should rebuild it before you start beating on it.



I agree with you as far as the latest 8 speed auto not being ideal. But I do want to provide clarity around the 6-7k rpm figure you mention... the CTS turbo and even bigger EFR and GTX series turbos will reach full boost on the 2.0T in the 3200-3500 RPM range... essentially only 800-1000 RPM later than the factory turbo. That's a well and good sacrifice for what you gain up top. Gas mileage actually improves. Also, most people that drive a big turbo 2.0T see it as even more driveable than the stock turbos on these cars, which give an abrupt whack of power then start running out of breath. A big turbo 2.0T is smoother and has a MUCH more linear power delivery.

A big turbo is not necessarily smooth in its delivery. Take a Porsche 930 turbo out for a spin and you will see what I mean. It's more like lighting a stick of dynamite...wait for it then a massive rush of power. I had a big turbo on a classic Saab 900. When the boost would hit it could barely keep traction at 65 mph in fifth gear. Boost started at 2500 and reached 28 psi by by 3100 rpm. It was a lot of fun but you better hold onto the wheel. You just had to learn how far you could put your foot down in each gear.

Turbo technology has come along way, I am sure a tuner could find a suitable turbo that would be relatively linear.

Don't get me wrong I would love to have a turbo with better power up top, but the transmission shift point programming would need to be substantially altered. With the current programming, it sound like the car would be a real dog until you really step on it.


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[Marko S]

Wont a custom tune help with zf tranny issues?

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[Brandon K.]

Wont a custom tune help with zf tranny issues?

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It does not appear than any of the tuners want to put in the time to alter the ZF transmission's tuning.


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[Marko S]

It does not appear than any of the tuners want to put in the time to alter the ZF transmission's tuning.


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Apr definitely wont put any time into it. Not sure about others. I would think if you were willing to put in a big turbo like this you would want a custom dyno tune and not an ots tune.

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[IHave2Turbos]

This is now completely off topic but flashing the TCU on ZF trans is possible (there is a market for it at least however small it may be)

http://www.e90post.com/forums/showthread.php?t=1333694 ==> http://www.xhpflashtool.com/

Additionally it states here that UniConnect can do TCU tuning as well:
http://www.audiboost.com/content.php?6881-Unitronic-UniConnect-allows-OBD-II-ECU-TCU-flashing-for-your-Audi-VW-%28B8-B8-5-Audi-S4-S5-MKVII-GTI-R%29-from-home

Background info:
Back in the day there was a tuning suite called "DHP" for GM cars and you could fully program the AT that way (Shift pressures, clutch slippage rates, etc).

This is an older (but technical) post related to B5 platform I think: http://nefariousmotorsports.com/forum/index.php?action=printpage;topic=453.0

[Zach L]

Even a substantial increase in boost should not result in valve float. Valve float is related to an inadequate amount of time to close the valves at high rpm at a given spring pressure. I don't hear people complaining about valve float below the stock redline on these motors. I suppose if you have a high mileage motor, it is possible but then you should rebuild it before you start beating on it.




A big turbo is not necessarily smooth in its delivery. Take a Porsche 930 turbo out for a spin and you will see what I mean. It's more like lighting a stick of dynamite...wait for it then a massive rush of power. I had a big turbo on a classic Saab 900. When the boost would hit it could barely keep traction at 65 mph in fifth gear. Boost started at 2500 and reached 28 psi by by 3100 rpm. It was a lot of fun but you better hold onto the wheel. You just had to learn how far you could put your foot down in each gear.

Turbo technology has come along way, I am sure a tuner could find a suitable turbo that would be relatively linear.

Don't get me wrong I would love to have a turbo with better power up top, but the transmission shift point programming would need to be substantially altered. With the current programming, it sound like the car would be a real dog until you really step on it.


Sent from my iPhone using Audizine (http://r.tapatalk.com/byo?rid=87676) It's funny you mention the Porsche 930, as I almost started off my last post with 'this is not the late 70's or 80's' and I was thinking of that specific car and it's infamous turbocharger driving experience. I'm very familiar as the Ruf BTR and CTR Yellowbird are two of all time favorite cars.

It's not just the turbochargers that are different nowadays. Direct injection systems that allow substantially higher compression ratios play a major role in our modern day turbo experience. It's useless to compare 20-40 year old cars to what we have today.

My B8 is 6-speed manual so I don't have a problem with these auto issues. I've been modifying VW/Audis for 15 years and there is a reason I always go for the manuals, even when it required me buying my Audi without seeing it then shipping it 2,500 miles. Yes they're just more fun, but it's also just the smart decision for anyone looking to modify their car, for the exact kinds of reasons we're discussing about the ZF transmission. I even chose to resist the glitzy new DSG when I bought my 2006 GTI brand new. That was the first year those dual clutch gearboxes were available and they promised to be better in every way, but sure enough they're headaches when you start modifying. My point is auto trans dilemmas are nothing new - they should almost be expected.

[Zach L]

Video - final stages of development...

https://www.facebook.com/CTSTurbo/videos/1455513364501324/


Many of you have been asking! Our CTS BOSS kits for #mk5 #mk6 #b7 #b8 are now in the final stages of development feat. @turbobygarrett #gtx2867r and #gtx3071r .

[VNA4]

I saw that as well, left then a question since hey stated B7, B8 I was wondering if it was for ours. If that's the case I'm jumping on that shiet like a crazy shopper during Black Friday


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[majerrahim]

At least not for b8.5 the main issue is fueling

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[VNA4]

Here some updates from a CTS email reply

Thanks for your email. We are working on the final revision of the casting, once complete we'll move onto the silicon inlet/outlet for these along with water/oil lines.

The kits will use GTX2867R Gen 2 and GTX3071R Gen 2 Garrett center housings along with our proprietary compressor and hot side castings to ensure an OEM like fit and use of the OEM electronics. Once the hardware is complete we will work on tuning options with software tuner(s) of our choice (not including APR).


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[VNA4]

Oh and that little note "Not including APR" love it


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[Zach L]

Good. United Motorsport has done the tune for the BOSS kits for the MQB platform, so I assume they'll have ones available for the FSI/TSI version as well.

The GTX Gen2 turbos are insane.

[KanjiVirus]

Im pretty new to the modding world, reading these comments leaves me to believe that putting this turbo kit would not be smart to put on a 6 speed tiptronic system?


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[Alex1188]

Im pretty new to the modding world, reading these comments leaves me to believe that putting this turbo kit would not be smart to put on a 6 speed tiptronic system?


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Nah you could do it, just wouldn't want to have the torque on really hard in the bottom end. There hasn't been any failures that I know of or that have been posted. The 6speed tip in these cars are a lot more stout than the B7 cars.

[SleeperCar]

Im pretty new to the modding world, reading these comments leaves me to believe that putting this turbo kit would not be smart to put on a 6 speed tiptronic system?


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I wouldn't.... at least for my 8speed...too much power and stress.

Truthfully, this type of kit moves your car from a viable daily to a true project car. I couldn't afford to have my car out of commission for more than 1 Saturday lol...

[VNA4]

https://uploads.tapatalk-cdn.com/20170425/79707038454d4d63f9ad89fa0133f7fe.jpg




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[Zach L]

Yep, that's with the smaller of the two turbo options. The smaller option, gtx2867, will likely be the choice for those that don't want to make fuel system upgrades. The larger gtx3071 will be for those that are willing to upgrade the fuel system and get the most possible from the turbo.

[VNA4]

Yea and here are some numbers for the gtx 3071
Man the Golf R are beasts... Too bad the interior looks cheap and empty

https://uploads.tapatalk-cdn.com/20170426/6acc6136d15d7d1c919a788027192b55.jpg


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[2010b8a4apr2]

how does this tie into b8 a4? the b8 a4 will not get any where near these numbers.

[KFizz]

how does this tie into b8 a4? the b8 a4 will not get any where near these numbers.
I was wondering the same thing.

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[VNA4]

This thread is about the CTS BOSS Kit whether it is for the A4 B8 or the Golf, don't matter at least to me. What matters is seing a company putting in work beyond the k04's for our platform. Some of us are still excited about their work/project since this BOSS kit will be coming out for the B8 platform soon. So yea, i'll posting updates from this kit.
It wont be as close as 489WHP but it will most likely be higher than the 320WHP most k04 owners are reaching, i'd be happy with anything close to 400WHP.
Let's wait and see...

[earhythmic]

Not to muddy the waters, but haven't options always been available, it's just the tune and fueling that's the issues? JHM's TD05 big turbo will bolt to our cars but does nothing without a tune. I think once APR stops R&D for the B8s we'll see some new stuff popping up quick.

[Zach L]

I was wondering the same thing.

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how does this tie into b8 a4? the b8 a4 will not get any where near these numbers.Your pessimism is based on what? These turbos once on our cars will absolutely break 400whp, and possibly 450whp.

That is based off past actual results of GT series turbos (less efficient than these GTX and GTX Gen2 series turbo) on Gen1/2 engines. This is not the first time big turbos have been put on a Gen1/2 engine... it's just a proprietary way of combining those turbos into the exhaust manifold.

[Zach L]

I don't think this little teaser shot was posted. From April 11...
https://uploads.tapatalk-cdn.com/20170427/54ef6ca020aea03a224f4094585ab0bd.jpg

[2010b8a4apr2]

I never said they weren't coming out with the turbo. I am on facebook with the company, so I see the posts as well. im not pessimistic about anything. but I highly doubt one they will get into fueling upgrades for the b8, two, the longitudinal valvelift has been proven to not make nearly as much as the golf r's, we might get high 300s without fueling upgrades. APR didn't come out with a number but a teaser graph. im willing to bet they were around 380awhp. but without fueling or internals, anything higher than a k04 just wont work well. believe me im excited as well to see something bigger than the k04. I was stoked when APR said they would come out with a real stage 3. but until someone does the R&D on something bigger with fueling upgrades, we will just have to wait and see. and as far as "coming out soon," itll be another year or two. not exactly soon.

[Zach L]

Yeah I agree with you on high 300's without fueling upgrades. I posted that a long time ago in this thread and I actually still say 370whp, which is actually slightly less than you. We obviously see eye to eye on that.

The Golf R figures are irrelevant. It's the Mk6 GTI that had the engine most similar to ours. Pretty much the same but without valvelift.

As for internals, that won't be needed on the stock fueled cars, even with a 3071 as the torque does not occur so low on the RPM range. There are people that daily Mk6 GTIs running gt30 turbos (or similar) on stock internals and stock fueling at 20psi and produce about 370 whp.

Some people don't understand that it's torque spikes at lower RPMs that snap rods. Yes, a K04 can actually be more dangerous than a big turbo providing more peak horsepower at a higher RPM. All that said, due to our horrible piston ring issues, it'd be wise to upgrade internals even on a factory turbo car.

[majerrahim]

I don't want to be pessimistic either but I spoke to a company that can make a BT kit for b8 b8.5 a4 a5 but he also mentioned the fuel limitations. I have k04 but id love to get more power, and I know that besides fueling, we also need to change internals, I don't think stock internals will hold more power without start failing.

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[VNA4]

I've messaged CTS and ask for one of their rep to jump and this thread and chime in .


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[B8_Dude97]

Just curious? That seems to be the reoccurring then after 350 and up on these motors is fuel limitations. Has anyone looked into getting a company to do a fuel upgrade even a short run. Obviously there is some demand for upgraded fueling. Or is this something that will never come to reality?


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[2010b8a4apr2]

No one, as far as I know, has any nor will have any soon for these cars. APR said it themselves, its too much r&d for a car that will most likely not sell many big turbo kits and since the autos won't really hold this power, anything bigger than a k04 isn't in their vision to sell big turbos. I just don't understand that after all that r&d, they gave up. Everyone knew anything bigger than a k04 will need internals and fueling upgrades. I myself bought all internals, awaiting install, but I will be ready. As far as fueling, we will all just have to wait. I know there are plenty of big turbo kits out there for our cars, none with a tune however. This sucks. Everyone wants a kit with a tune that has the r&d done on it. It'd be nice if we could get an all in one kit, turbo kit, tune, and fuel kit much like any of the golf r's/gti's. Hey CTS, can you do that? It'd be nice......

[Zach L]

Just curious? That seems to be the reoccurring then after 350 and up on these motors is fuel limitations. Has anyone looked into getting a company to do a fuel upgrade even a short run. Obviously there is some demand for upgraded fueling. Or is this something that will never come to reality?


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No one, as far as I know, has any nor will have any soon for these cars. APR said it themselves, its too much r&d for a car that will most likely not sell many big turbo kits and since the autos won't really hold this power, anything bigger than a k04 isn't in their vision to sell big turbos. I just don't understand that after all that r&d, they gave up. Everyone knew anything bigger than a k04 will need internals and fueling upgrades. I myself bought all internals, awaiting install, but I will be ready. As far as fueling, we will all just have to wait. I know there are plenty of big turbo kits out there for our cars, none with a tune however. This sucks. Everyone wants a kit with a tune that has the r&d done on it. It'd be nice if we could get an all in one kit, turbo kit, tune, and fuel kit much like any of the golf r's/gti's. Hey CTS, can you do that? It'd be nice......If you do a simple Google search for Mk6 GTI big turbo and fueling upgrades you'll see that things already exist out there. It's the same hardware. What doesn't exist at this point is software. Upgraded injectors already exist. Upgraded low pressure fuel pumps already exist.

Stop listening to APR. If something doesn't fit into APR's neat little turn-key product box, they'll say it's either impossible, not worth the time/money, or poor quality. That's how they've always done business.

[Brandon K.]

No one, as far as I know, has any nor will have any soon for these cars. APR said it themselves, its too much r&d for a car that will most likely not sell many big turbo kits and since the autos won't really hold this power, anything bigger than a k04 isn't in their vision to sell big turbos. I just don't understand that after all that r&d, they gave up. Everyone knew anything bigger than a k04 will need internals and fueling upgrades. I myself bought all internals, awaiting install, but I will be ready. As far as fueling, we will all just have to wait. I know there are plenty of big turbo kits out there for our cars, none with a tune however. This sucks. Everyone wants a kit with a tune that has the r&d done on it. It'd be nice if we could get an all in one kit, turbo kit, tune, and fuel kit much like any of the golf r's/gti's. Hey CTS, can you do that? It'd be nice......

I got the impression from my communication with Arin that the problem was with the motor internals. It seemed to me like they had put the R&D in on the project and they determined that the motor failure rate would be too high because they believed (correctly or not) that most people would not build the motor before doing the BT kit. I don't think they wanted to be associated with a product that was likely to have such a high motor failure rate.

I know there are people out there that are willing and able to have the motor built first. There are also people like me that would put it on there anyway and if/when the motor blows, we would buy a used one and build it at that point. Unfortunately, most people are cheep asses and would put it on then blow the motor and proceed to slam them online claiming "APR destroyed my motor".

As for the transmission, the 8 speed should handle the power fine. The recommendation of the K04 for the autos was based on the existing programming of the trans not set properly for a big turbo. As it sits, the auto likes to shift too early for a big turbo's power band and it likes to cruse at 1500 rpm. A BT will be a dog in those RPM ranges. To top it off, the trans will force a shift at around 6000 rpm. A BT would continue to make fantastic power all the way to the 6800 rpm redline. On the other hand, if you have a manual, you would just change your shifting habits to match the motor's altered power curve.

I would love to see someone offer an off the shelf BT kit including fueling. I believe someone eventually will. For some of us, we will do what it takes to make the motor able to take the stress. I also hope that a trans tune is shortly to follow there after.

I doubt APR ever worked on a trans tune, but there is a band-Aid APR made. If you have an up to date APR tune on your B8 and the VCDS cable/software, you can can find on APR's website the tutorial how to turn off the auto upshift for the 8 speed trans in manual mode. It really works! The car will now go all the way to redline and start bouncing off the rev limiter ;)


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[KanjiVirus]

I got the impression from my communication with Arin that the problem was with the motor internals. It seemed to me like they had put the R&D in on the project and they determined that the motor failure rate would be too high because they believed (correctly or not) that most people would not build the motor before doing the BT kit. I don't think they wanted to be associated with a product that was likely to have such a high motor failure rate.

I know there are people out there that are willing and able to have the motor built first. There are also people like me that would put it on there anyway and if/when the motor blows, we would buy a used one and build it at that point. Unfortunately, most people are cheep asses and would put it on then blow the motor and proceed to slam them online claiming "APR destroyed my motor".

As for the transmission, the 8 speed should handle the power fine. The recommendation of the K04 for the autos was based on the existing programming of the trans not set properly for a big turbo. As it sits, the auto likes to shift too early for a big turbo's power band and it likes to cruse at 1500 rpm. A BT will be a dog in those RPM ranges. To top it off, the trans will force a shift at around 6000 rpm. A BT would continue to make fantastic power all the way to the 6800 rpm redline. On the other hand, if you have a manual, you would just change your shifting habits to match the motor's altered power curve.

I would love to see someone offer an off the shelf BT kit including fueling. I believe someone eventually will. For some of us, we will do what it takes to make the motor able to take the stress. I also hope that a trans tune is shortly to follow there after.

I doubt APR ever worked on a trans tune, but there is a band-Aid APR made. If you have an up to date APR tune on your B8 and the VCDS cable/software, you can can find on APR's website the tutorial how to turn off the auto upshift for the 8 speed trans in manual mode. It really works! The car will now go all the way to redline and start bouncing off the rev limiter ;)


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How does the 6 speed compare to the 8 speed in terms of handling power?



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[hyperunion]

No one, as far as I know, has any nor will have any soon for these cars. APR said it themselves, its too much r&d for a car that will most likely not sell many big turbo kits and since the autos won't really hold this power, anything bigger than a k04 isn't in their vision to sell big turbos. I just don't understand that after all that r&d, they gave up. Everyone knew anything bigger than a k04 will need internals and fueling upgrades. I myself bought all internals, awaiting install, but I will be ready. As far as fueling, we will all just have to wait. I know there are plenty of big turbo kits out there for our cars, none with a tune however. This sucks. Everyone wants a kit with a tune that has the r&d done on it. It'd be nice if we could get an all in one kit, turbo kit, tune, and fuel kit much like any of the golf r's/gti's. Hey CTS, can you do that? It'd be nice......
Just doesn't meet the profitability index for a company that may sell maybe 9 kits.. everybody has a gti... Much easier to extract hp out of a motor with easy fuel upgrades directly from the oem.. ( 4 additional injectors from euro spec ea888 gen3 engines)

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[Zach L]

I got the impression from my communication with Arin I'm glad we have someone like Arin to be the forum's encyclopedia for car modification, and the unquestionable god of all tuning knowledge. Experience from APR is much more valuable and accurate than experience from any other tuner/person.

[SleeperCar]

I'm glad we have someone like Arin to be the forum's encyclopedia for car modification, and the unquestionable god of all tuning knowledge. Experience from APR is much more valuable and accurate than experience from any other tuner/person.

harsh man....we get it, you dont like APR. the only point ill make is this:

Arin is here and posts a lot more than other tuners ive seen pop around here. At least he is here to talk about projects, provide teaser threads (whether they come to fruition or not is another point) and answer questions. Look at the length of the flexfuel tune thread, its insane, and Arin consistently posted in there. Where is CTS in this damn thread? Arin takes so much shit from a lot of members here, but he consistently comes back ready and willing to help. He was instrumental in making sure the box code revisions were available quickly after the last TSB announcement. GIAC posts here like once every 6 months. I barely see other tuners around this subsection.

[Marko S]

Apr wont adjust any of their tunes for anyone or anything. Id never get a tune from them..

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[adamazing]

Apr wont adjust any of their tunes for anyone or anything. Id never get a tune from them..

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Different business approach - it doesn't make them wrong. They prefer to standardize their product to each platform across the line to make their distribution network, product line launch, and product support easier.

They're like the Apple, Inc of the tuning community. Everyone gets the same product, the same updates, the same support... and it works through their channel partners.
Whereas a company like Eurodyne is the Android platform of the tuning world. Open source, user customization, and different user experiences from product to product.

Neither is right, and neither is wrong. They just are what they are. One appeals more to Group A, and the other to Group B.

[Marko S]

Different business approach - it doesn't make them wrong. They prefer to standardize their product to each platform across the line to make their distribution network, product line launch, and product support easier.

They're like the Apple, Inc of the tuning community. Everyone gets the same product, the same updates, the same support... and it works through their channel partners.
Whereas a company like Eurodyne is the Android platform of the tuning world. Open source, user customization, and different user experiences from product to product.

Neither is right, and neither is wrong. They just are what they are. One appeals more to Group A, and the other to Group B.
Guess that explains why is never own or have owned an apple product... but regardless as an enthusiast i prefer customization over ofs generic

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[SleeperCar]

Guess that explains why is never own or have owned an apple product... but regardless as an enthusiast i prefer customization over ofs generic

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which tuner do you have? Unitronic (guessing because of Canada...)

[adamazing]

Guess that explains why is never own or have owned an apple product... but regardless as an enthusiast i prefer customization over ofs generic



And while I would love to have a one-off 500hp build... these are also mostly our daily drivers. So having a track record of reliability and an identical product that's been proven to work in the same market segment means more to me personally, hence why I went with APR. (Although I do hate Apple phones too, lol)

I want to see this kit push the boundaries of our platform like the rest of you do. Further and faster is always exciting. Life beyond Stage 2 and/or the K04 is a brave new world. Doesn't mean everyone is in the market for it - and that's ok. That's why we have choices, and that's why companies like APR, CTS, GIAC, REVO, JHM, Eurodyne, exist. One single company or product isn't going to cover the demand of every consumer.

[Marko S]

which tuner do you have? Unitronic (guessing because of Canada...)
No tune yet. Going with either malone or hpa.


And while I would love to have a one-off 500hp build... these are also mostly our daily drivers. So having a track record of reliability and an identical product that's been proven to work in the same market segment means more to me personally, hence why I went with APR. (Although I do hate Apple phones too, lol)

I want to see this kit push the boundaries of our platform like the rest of you do. Further and faster is always exciting. Life beyond Stage 2 and/or the K04 is a brave new world. Doesn't mean everyone is in the market for it - and that's ok. That's why we have choices, and that's why companies like APR, CTS, GIAC, REVO, JHM, Eurodyne, exist. One single company or product isn't going to cover the demand of every consumer.

With apr it isnt about reliability. Theyre lazy. You can always start with a conservative tune and adjust but theyre not willing to do that. This is why everyones running a stock manifold..

But i agree with you its nice to see more work being put into our platform. Its about time.

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[adamazing]

No tune yet. Going with either malone or hpa.
With apr it isnt about reliability. Theyre lazy. You can always start with a conservative tune and adjust but theyre not willing to do that. This is why everyones running a stock manifold..


First thing wrong with that statement is:
APR doesn't make an aftermarket manifold for our cars. So why do you assume it's their responsibility to cater to a third party's product? Why should they spend resources and time developing something that only works if you buy another companies product? The company I work for doesn't provide custom solutions to make other companies things work better. Last I checked, IE provides a manifold tune for their own product. So again, why is that APR's fault? Does GIAC have a manifold tune? Does Revo?

Second:
We just got done discussing APR's business model. That doesn't mean they're lazy. That means they established a point of overhead where they feel their product is safe, marketable, and profitable. It aligns with their business goals. What do you want them to do? Push each and every tune to the edge of its limits? We've already established they their business model is to provide the same product across the entire platform, so why do you expect them to produce something else?



Serious question because I don't know for certain. Does GIAC, REVO, or Unitronic let you customize their files to your liking, or build a one-off specific file for you? (And not because your car has a gremlin or requires individual support, but because you, as a customer, want something more aggressive)

If yes: Great, there's your consumer option.
If no: Then your entire argument against APR is moot. And you always have Eurodyne.

[adamazing]

Anyway, we've gotten way off topic, and most of this page has gotten off topic.

Let see some CTS updates!

[SleeperCar]

http://i1.kym-cdn.com/photos/images/newsfeed/000/896/364/f71.gif

- - - Updated - - -


Anyway, we've gotten way off topic, and most of this page has gotten off topic.

Let see some CTS updates!

yea seriously...where is CTS reps in this thread???(speaking of lazy [:D])

[B8_Dude97]

I'm more or less on the boat of I want a reliable 400-450hp and if I blow the motor then that's just incentive to put a b8.5 motor in and if I destroy the auto 6 speed then I'll swap a manual in. But if I'll be putting a big turbo in I plan for upgraded internals so let's just wait and see what's coming


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[AllroadCorbin]

Creating a big turbo kit for these cars is never going to be a profitable endeavor for a tuning company. There's a lot of people who want flashes. There's a handful that want a slight upgrade to a k04 and there cohort of owners that want big turbo kits that either require internals upgrades ($$$$$), or will make it unreliable, is very small. Lots of R&D for nothing but bragging rights. From APRs perspective it's a stupid idea. If I'm going to pursue 450hp in my car, I'm going to want it custom tuned to my car anyways.


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[Marko S]

First thing wrong with that statement is:
APR doesn't make an aftermarket manifold for our cars. So why do you assume it's their responsibility to cater to a third party's product? Why should they spend resources and time developing something that only works if you buy another companies product? The company I work for doesn't provide custom solutions to make other companies things work better. Last I checked, IE provides a manifold tune for their own product. So again, why is that APR's fault? Does GIAC have a manifold tune? Does Revo?

Second:
We just got done discussing APR's business model. That doesn't mean they're lazy. That means they established a point of overhead where they feel their product is safe, marketable, and profitable. It aligns with their business goals. What do you want them to do? Push each and every tune to the edge of its limits? We've already established they their business model is to provide the same product across the entire platform, so why do you expect them to produce something else?



Serious question because I don't know for certain. Does GIAC, REVO, or Unitronic let you customize their files to your liking, or build a one-off specific file for you? (And not because your car has a gremlin or requires individual support, but because you, as a customer, want something more aggressive)

If yes: Great, there's your consumer option.
If no: Then your entire argument against APR is moot. And you always have Eurodyne.

Their business model was develop something quickly to be the first tuning option. Never put any more work into it. I call that lazy.

Anyways your point of view on this is much different than mine. Im glad youre ok with that. Im not and ill choose to give my business elsewhere.

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[hostilebynature]

Maybe I missed something here, is the B8.5's internals stronger than the B8's? Its a diferent motor is it?

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[Brandon K.]

Their business model was develop something quickly to be the first tuning option. Never put any more work into it. I call that lazy.

Anyways your point of view on this is much different than mine. Im glad youre ok with that. Im not and ill choose to give my business elsewhere.

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APR may try to put out a tune first, but they do so with much effort. They often import high volume/high profit models from Europe (mk7 GTI) to work on them before the USA release. They also periodically revisit their tunes and update them. I think the B8 is on version 3 of its tune.

Lazy is not a word I would use, I think shrewd would be more appropriate. The market of people willing to do internals on the B8 is too small for their model to support.

For some of us, our cars are our favorite hobby and we are willing to spend significantly more than most. I have to say hats off to CTS if they are willing to meet our more niche demand.


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[Brandon K.]

How does the 6 speed compare to the 8 speed in terms of handling power?



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I think they are rated at about 350 pound feet or so, but I don't remember exactly. You can find it on the board if you look hard enough for it. Not sure how long/well it would hold up with a BT, but reports of failure from K04 are rare or nonexistent.


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[Zach L]

- - - Updated - - -yea seriously...where is CTS reps in this thread???(speaking of lazy [:D])Has nothing to do with laziness... I'm sure the people at CTS work their asses off and have a blast doing it. Most tuners (other than APR) are essentially small businesses so they don't have the time or funds for a paid full-time keyboard warrior. It'd be a grossly negligent use of resources to have someone punching buttons when there's wrenches to turn, ECUs to program, parts orders that need packing, turbos that need 3D printing, etc.

On the plus side, small businesses are beholden to the customer first (not shareholders of a holding company) and provide an increased level of personalized service that can't be matched by the larger corporate folks. APR's actions are driven almost entirely by profitability. One way or another, Arin is having to sell his way to that spot at his keyboard. If you believe he's here because he cares, you're a fool.

In the end it's not the corporate entity/structure that bothers me (that has advantages too)... it's the forum antics, air of superiority, and way in which they've condescendingly spoken down of competitors that's disgusted me. Yes, it's gotten better recently, but I've been on VW/Audi forums since 2003 and I just lost patience for that forum behavior a long time ago.

[Zach L]

Maybe I missed something here, is the B8.5's internals stronger than the B8's? Its a diferent motor is it?The 2009-2012 engines in the B8 cars have well-known piston ring issues. There was a lawsuit and now there's an extended warranty for those specific parts. Sometimes the rings fail and new pistons/rings can be installed in the original motor. Other times, the failed rings damage the cylinder walls and the whole engine must be replaced. It's a known defect that is likely to happen on a completely stock engine, but much more likely to happen once an engine is modified. The failure prone piston ring issue was correct and remedied in the 2013+ B8.5 engines.

[Zach L]

United Motorsport has done the tuning for the CTS BOSS kits on other platforms. Read the post below and it will give you an idea of how they think when it comes to developing solutions...


Coming soon from United Motorsport
MQB 2L adjustability:

1st out will have:
Octane Adjust
Boost Limit Adjust
Launch Boost Adjust
Show Ethanol % (if the car is equipped with UM Flex kit)

More features under review:
Gear dependant boost
Launch RPM
(please send any suggestions on adjustments you'd like to see)

Other MQB projects:
Big turbo tuning: ANY Turbo can be tuned.
Current:
IROZ 650 - Xona : (over 600whp currently)
BOSS GTx30r
BOSS GTx28r
TTE525r
IS38 (put one on your GTi)
IS20 (put one on your golf R - no problem)
Pro FLEX - run any blend of ethanol
4BAR MAP upgrade - go past 29psi
Port Injection - when you need more fuel
Happy Holidays from United Motorsport.

[SleeperCar]

I heard UM won't tune out 8speed TCU.... because they don't like it....Which wouldn't help our chances of being able to run this ... since it would put a lot of stress on it and we would need to adjust shifting etc.

We will see, in rooting for this. I want more options, and I want more tuners involved in this platform!

[Zach L]

The 2009-2012 engines in the B8 cars have well-known piston ring issues. There was a lawsuit and now there's an extended warranty for those specific parts. Sometimes the rings fail and new pistons/rings can be installed in the original motor. Other times, the failed rings damage the cylinder walls and the whole engine must be replaced. It's a known defect that is likely to happen on a completely stock engine, but much more likely to happen once an engine is modified. The failure prone piston ring issue was correct and remedied in the 2013+ B8.5 engines.


I heard UM won't tune out 8speed TCU.... because they don't like it....Which wouldn't help our chances of being able to run this ... since it would put a lot of stress on it and we would need to adjust shifting etc.

We will see, in rooting for this. I want more options, and I want more tuners involved in this platform!Isn't there a few different versions of that trans which have varying torque ratings? I seem to remember it's just a matter of upgrading the torque converter.

[KanjiVirus]

Isn't there a few different versions of that trans which have varying torque ratings? I seem to remember it's just a matter of upgrading the torque converter.
I know there is the CVT transmission and then there's also the 6 speed and 8 speed, so it wouldn't be just a matter of upgrading the torque converter

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[Zach L]

I know there is the CVT transmission and then there's also the 6 speed and 8 speed, so it wouldn't be just a matter of upgrading the torque converter What's your point? Everyone knows there were 4 transmissions for our car... we're discussing specifically the 8 speed auto from ZF.

The CVT is unreliable from the factory, so it'd be horrible to stress it with even more power. Plus, bad idea to add even more power to a car without quattro.

[2010b8a4apr2]

Just doesn't meet the profitability index for a company that may sell maybe 9 kits.. everybody has a gti... Much easier to extract hp out of a motor with easy fuel upgrades directly from the oem.. ( 4 additional injectors from euro spec ea888 gen3 engines)

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I know, I was at one of there BBQs at headquarters about 4-5 years ago when they said they had a lot of new parts coming out for the b8 a4. So I asked while I was there about a bigger turbo. They said the same thing you did. They don't see selling enough to pay off the R&D. Yet a couple years later they decided to do it anyways? Theyre idiots and contradicted themselves and now theyre paying for it.

[hostilebynature]

What's the deal with this?

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[B8_Dude97]

I'm not holding my breath
I mean it'd be nice and dandy to get a ready to go big turbo kit but if your serious about do the legwork and get the same stuff thatd be in the kit and piece it all together yourself.

Although I still hope they end up completing the kit


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[dbv2]

http://www.boostaddict.com/content.php?7359-How-is-Total-Race-keeping-the-Audi-RS7-ZF8HP-transmission-together-at-942-wheel-horsepower-and-910-lb-ft-of-wheel-torque

No mods to the trans, ZF8HP. Dinan also has a tune for the ZF8 trans in the 335i's. VAG tuners, just don't want to do it.

BMW also killed the DCT, it all ZF trans going forward.

[Dominy]

I read an article about the zf8 trans for the b8.5 allroad stating that they are good for up to 550ftlbs tq and are basically the baby rs7 zf8 trans. They stated ours being the zf8-550 and the rs7 being zf8-750 .. not sure if the b8 trans are different


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[hostilebynature]

Is this going to happen or not? Sigh. I regret buying the A5 and not the S5. Thinking about getting a ko4-r instead

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[Brandon K.]

Is this going to happen or not? Sigh. I regret buying the A5 and not the S5. Thinking about getting a ko4-r instead

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If you are going to get a K04, now is the time. I ordered one. It's less than $1500 delivered to my door with the group buy through JHM. I am helping another AZ member with a methanol kit install & he is going to help me with putting my K04 on.

With a K04, you will have almost identical acceleration performance to an S5. The K04-R from JHM is expected to put a little more power out than standard K04 so the acceleration differential should be relatively negligible. There are obviously other pros & cons to doing it but modding a car is something I get satisfaction from.


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[B8_Dude97]

Is this going to happen or not? Sigh. I regret buying the A5 and not the S5. Thinking about getting a ko4-r instead

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Honestly it's just better if you want big turbo to just go atp for 2000 and you'll get more power then a maxed out k04 and who knows maybe group buy is in the future if enough people want to go big turbo


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[majerrahim]

I know, I was at one of there BBQs at headquarters about 4-5 years ago when they said they had a lot of new parts coming out for the b8 a4. So I asked while I was there about a bigger turbo. They said the same thing you did. They don't see selling enough to pay off the R&D. Yet a couple years later they decided to do it anyways? Theyre idiots and contradicted themselves and now theyre paying for it.The decided to do it because they saw few people interested and they done r&d and then they saw trouble with fueling limiting.
Then they stopped because it's too much to change the fueling. They are not stupid , they done a lot and like revo or unitronic, they have at least e85 capabilities, that is why I switched from revo to apr

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[hostilebynature]

What about a tune for that ATP setup?

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[B8_Dude97]

What about a tune for that ATP setup?

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Um will tune it and it'd be worth having the car shipped there if your not local to them

I haven't heard of too many other euro tuners tuning this but I'm sure you could find one of the vw custom tuners to do it


Another option for a off the shelf kit is rais or maybe ask them to for just their tune


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[petraman]

Looks like it's happening [:D]

https://www.facebook.com/CTSTurbo/photos/a.160373110682029.62726.111927682193239/1575091442543515/?type=3&theater

[B8_Dude97]

Looks like it's happening [:D]

https://www.facebook.com/CTSTurbo/photos/a.160373110682029.62726.111927682193239/1575091442543515/?type=3&theater

Dang guess I'm back on the waiting train. I got big plans which will get either this kit or atp so we shall see


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[KFizz]

"More Progress"...... I swear we heard that shit from APR like 20 times though.

[hyperunion]

We'll see it when we see it!

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[Dominy]

Looks like it's happening [:D]

https://www.facebook.com/CTSTurbo/photos/a.160373110682029.62726.111927682193239/1575091442543515/?type=3&theater

Why they gotta play with our hearts like that😒 Was 2 minutes away from getting the jhm k04r kit but now im just going to wait lol

[B8_Dude97]

Why they gotta play with our hearts like that[emoji19] Was 2 minutes away from getting the jhm k04r kit but now im just going to wait lol

Stay strong don't do it. Go big turbo or go home


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[Dominy]

Stay strong don't do it. Go big turbo or go home


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Just got a hookup for a k04/GTX hybrid capable of 450whp so im pulling the trigger on that, if all goes well ill do a group buy and it will be less expensive than jhm's k04r by far ;)


B8.5 Allroad Prestige APR stage II+E85| Phantom black| PSS10 | BBS CH-R 20x10.5 et25| Magnaflow exhaust | 034 high flow cat | 3.0tdi fmic | Eurocode turbo inlet/intercoolerpipe/silicone hose kit | Hotchkis swaybars | Apikol rear diff mount | Eurocode drivetrain stabilizer | RS4 spoiler | RS4 Steering wheel |

[KFizz]

Just got a hookup for a k04/GTX hybrid capable of 450whp so im pulling the trigger on that, if all goes well ill do a group buy and it will be less expensive than jhm's k04r by far ;)


B8.5 Allroad Prestige APR stage II+E85| Phantom black| PSS10 | BBS CH-R 20x10.5 et25| Magnaflow exhaust | 034 high flow cat | 3.0tdi fmic | Eurocode turbo inlet/intercoolerpipe/silicone hose kit | Hotchkis swaybars | Apikol rear diff mount | Eurocode drivetrain stabilizer | RS4 spoiler | RS4 Steering wheel |I want to hear more about this.

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[Dominy]

I want to hear more about this.

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Ill get everyone updated when i get it rolling


B8.5 Allroad Prestige APR stage II+E85| Phantom black| PSS10 | BBS CH-R 20x10.5 et25| Magnaflow exhaust | 034 high flow cat | 3.0tdi fmic | Eurocode turbo inlet/intercoolerpipe/silicone hose kit | Hotchkis swaybars | Apikol rear diff mount | Eurocode drivetrain stabilizer | RS4 spoiler | RS4 Steering wheel |

[B8_Dude97]

Ill get everyone updated when i get it rolling


B8.5 Allroad Prestige APR stage II+E85| Phantom black| PSS10 | BBS CH-R 20x10.5 et25| Magnaflow exhaust | 034 high flow cat | 3.0tdi fmic | Eurocode turbo inlet/intercoolerpipe/silicone hose kit | Hotchkis swaybars | Apikol rear diff mount | Eurocode drivetrain stabilizer | RS4 spoiler | RS4 Steering wheel |

Yea I'd be curious bout specs me group buy prices. Also I'm curious if atp would do group buy pricing on the stock location gt turbos.

We need some fast b8s more on the road


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[Roadtrippn]

Yea I'd be curious bout specs me group buy prices. Also I'm curious if atp would do group buy pricing on the stock location gt turbos.

We need some fast b8s more on the road


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Yeah I second that... I'm bored with k04 power [drool]

[B8_Dude97]

Yeah I second that... I'm bored with k04 power [drool]

If it's anything like the mk6 videos a k04 will get walked by a decent bt setup and fueling upgrades by at least a 2 car lengths(although from a dig imagine they got the upper hand with all that crazy torque)

K04 is like a gateway drug...


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[Dominy]

If it's anything like the mk6 videos a k04 will get walked by a decent bt setup and fueling upgrades by at least a 2 car lengths(although from a dig imagine they got the upper hand with all that crazy torque)

K04 is like a gateway drug...


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I just came from a 650whp b5s4 on pump so i hear ya there lol. 450whp in our cars with the 8speed should net us mid 11's and 115+ trap speeds, thats what im shooting for


B8.5 Allroad Prestige APR stage II+E85| Phantom black| PSS10 | BBS CH-R 20x10.5 et25| Magnaflow exhaust | 034 high flow cat | 3.0tdi fmic | Eurocode turbo inlet/intercoolerpipe/silicone hose kit | Hotchkis swaybars | Apikol rear diff mount | Eurocode drivetrain stabilizer | RS4 spoiler | RS4 Steering wheel |

[Poodini]

Just got a hookup for a k04/GTX hybrid capable of 450whp so im pulling the trigger on that, if all goes well ill do a group buy and it will be less expensive than jhm's k04r by far ;)


B8.5 Allroad Prestige APR stage II+E85| Phantom black| PSS10 | BBS CH-R 20x10.5 et25| Magnaflow exhaust | 034 high flow cat | 3.0tdi fmic | Eurocode turbo inlet/intercoolerpipe/silicone hose kit | Hotchkis swaybars | Apikol rear diff mount | Eurocode drivetrain stabilizer | RS4 spoiler | RS4 Steering wheel |

So who makes this k04/GTX hybrid?


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[kradgsxr2]

Any word on this kit?

[B8_Dude97]

Any word on this kit?

I wouldn't hold breath as I'd estimate if it is coming to be early next year as this is like a back burner side project. Most companies are focused on the mk7 and gen 3 motors

There's still many options available to build a similar setup for a decent price point


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[kradgsxr2]

I'm currently using eurodyne with my 23L but still trying to decide which turbo and manifold setup to use.

[Zach L]

5 hours ago:

"You've been asking... here's more progress on our upcoming BOSS kit for VW MK5, MK6 2.0T and Audi B7, B8 2.0T. These kits feature @turbobygarrett GTX Gen2 Compressor wheel technology, CTS internal bypass valve and anti surge."

https://scontent-dft4-2.xx.fbcdn.net/v/t31.0-8/20748372_1592430367476289_2043435581630784836_o.jp g?oh=fff9a356eb36142608426d993ee0e1a2&oe=5A37507B

[Spawne32]

Turbo looks phenomenal, cant wait to see some numbers, but I just can't justify the about 3k price tag for myself that is. But im sure plenty of people will buy this.

[B8_Dude97]

I'll wait to see dyno charts once um has their out of the box tune for this. If it produces 400 out of th box it might justify the 3k price tag otherwise I'm better off putting the kit together alone and having um give me the same out of the box tune they would use for this.

Although I will admit the turbo housings craftsmanship looks stellar


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[spin0rz]

Seems like a waste of money to go k04 right now with all these big turbos surfacing... I've seen what APR built for the golf R lately... What a monster.... Everyone is coming up with some pretty nice builds for these 2.0t


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[Brandon K.]

Slowone has a BT and said he misses his K04 based Loba turbo. He said in his thread the car is less fun overall due to the slow spool.

Congrats to anyone or any company that can get a quick spool and big power for the B8. I just got tiered of waiting.


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[spin0rz]

Slowone has a BT and said he misses his K04 based Loba turbo. He said in his thread the car is less fun overall due to the slow spool.

Congrats to anyone or any company that can get a quick spool and big power for the B8. I just got tiered of waiting.


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I wouldn't compare a loba to a k04 considering his loba did like 350whp steady and like 420lb??? If I recall from the other topic lol. That's like a k04 on steroids.


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[Spawne32]

Guys these gt30 based turbos are not big lol nor is a full spool at 4k. At best medium sized compared to our dinky stock turbos. Alot of 4 cylinders running much bigger turbos around town and not complaining about spooling even higher. Balance will make the around town driving fine if they use some of the latest technology in turbos available.

[Zach L]

Slowone has a BT and said he misses his K04 based Loba turbo. He said in his thread the car is less fun overall due to the slow spool.

Congrats to anyone or any company that can get a quick spool and big power for the B8. I just got tiered of waiting. There are two things about Slowone's feedback that are really relevant...

1) The big turbo he is currently running has much more lag than these BOSS turbos, and even quite a bit more lag than your off the shelf GT series big turbo or EFR big turbos. The BOSS turbos will spookleven faster than a typical GT because they're using the newer GTX compressor wheels. The latest BOSS kits being made come with Gen 2 GTX compressors, again faster spool. Additionally, there's a smaller GTX2867r in the BOSS500 kit which will spool not much later than a K04, or the larger GTX3071r in the BOSS600 kit that may spook a couple hundred RPM later. Both will spool MUCH sooner than the turbo Slowone is running.

2) Slowone is not really comparing his current turbo to a K04... he's comparing it to a Loba LO4xx turbo he used, which is a highly modified hybrid K04 turbo that makes more power. The LOBA LO4xx is probably the closest turbo currently on the market to what these CTS BOSS kits will be. These boss kits and the LOBA probably spool at nearly the same point, but with the GTX turbos used in the BOSS kit having slightly higher top end power capabilities. These BOSS kits will likely be the absolute sweet spot for quick spool while still having top end flow for making power all the way to redline... that seems to be the consensus from pretty much everyone with these BOSS kits already on MQB/Mk7 platform cars. The people driving those cars have them as daily drivers; not project vehicles. And the Mk7/MQB kits are selling lot hot cakes. If Slowone had used a typical K04 he may not feel like wanting to go back.

[lettuce]

2) Slowone is not really comparing his current turbo to a K04... he's comparing it to a Loba LO4xx turbo he used, which is a highly modified hybrid K04 turbo that makes more power. The LOBA LO4xx is probably the closest turbo currently on the market to what these CTS BOSS kits will be. These boss kits and the LOBA probably spool at nearly the same point, but with the GTX turbos used in the BOSS kit having slightly higher top end power capabilities. These BOSS kits will likely be the absolute sweet spot for quick spool while still having top end flow for making power all the way to redline... that seems to be the consensus from pretty much everyone with these BOSS kits already on MQB/Mk7 platform cars. The people driving those cars have them as daily drivers; not project vehicles. And the Mk7/MQB kits are selling lot hot cakes. If Slowone had used a typical K04 he may not feel like wanting to go back.

Looking at Slowone's dyno graph of his Loba, and going off his experiences with it, it also seemed to me like the shop that tuned it, tuned it very aggressively, which is what led to it blowing after less than a year of use. If you overlaid his Loba dyno plot over a normal K04 plot it was basically identical in regards to spool time and decay, except when the K04 would level off boost after hitting around 23-25, the Loba kept rising. I think I remember him saying he was hitting upwards of around 30 psi.

There may be a little bit more overhead before hitting surge on a Loba, I'm not sure I've never seen a compressor map of one, but I'm willing to be that if you wanted to you could custom tune any K04 to do something similar, with a similarly shortened lifespan.

If these kits ever come to fruition, and are using the Gen 2 GTX-R turbos, they're probably going to be the best all-around option for our cars. If I could go with any one turbo it'd be one of these.

[Spawne32]

Looking at Slowone's dyno graph of his Loba, and going off his experiences with it, it also seemed to me like the shop that tuned it, tuned it very aggressively, which is what led to it blowing after less than a year of use. If you overlaid his Loba dyno plot over a normal K04 plot it was basically identical in regards to spool time and decay, except when the K04 would level off boost after hitting around 23-25, the Loba kept rising. I think I remember him saying he was hitting upwards of around 30 psi.

There may be a little bit more overhead before hitting surge on a Loba, I'm not sure I've never seen a compressor map of one, but I'm willing to be that if you wanted to you could custom tune any K04 to do something similar, with a similarly shortened lifespan.

If these kits ever come to fruition, and are using the Gen 2 GTX-R turbos, they're probably going to be the best all-around option for our cars. If I could go with any one turbo it'd be one of these.

I'm surprised we havent seen twin scroll yet incorporated into anything.

[Zach L]

Response from CTS on their Facebook page...



When will this kit be ready for mk6 R?
-August 15 at 8:40am

Unfortunately no ETA yet but we're aiming for end of 2017
-August 15 at 8:23pm

[jorte014]

If this turbo kit never comes for our cars, I'll symbolically throw my keyboard and physically trade my car in for something else [headbang]

[awdconnor]

If you're on instagram, go look at CTS, Instastory. i

https://uploads.tapatalk-cdn.com/20170824/0e845b77a170eea5d73fb10fefea6260.png

[kradgsxr2]

This kit is a unicorn...

[awdconnor]

This kit is a unicorn...

i Cant WAIT for it..

[B8_Dude97]

https://uploads.tapatalk-cdn.com/20170905/dc51b64af36eab31305f376760dfd374.jpg


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[spin0rz]

https://uploads.tapatalk-cdn.com/20170915/d34ff737f5b75382ba0cfd92e51c2654.jpg

Just saw this. Comment.
Maybe the kit for b8 is closer than expected.


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[Spawne32]

I wonder how much that boss 500 is gonna be and how the hell were gonna tune it

[spin0rz]

Well. Seeing the gen 1 kit and what it offers lol..
That's the apr gtx2867r so similar to the boss500

https://uploads.tapatalk-cdn.com/20170915/3fc0af72e212529adde5f1b8311bac18.jpg


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[Zach L]

I wonder how much that boss 500 is gonna be and how the hell were gonna tune itThe kit for the Mk7 are A3 8V cars cost $3,300. The kit for the Gen2 cars like ours might be a little more because of the large manifold, which isn't needed on the Gen3 engines. They're true bolt on kits, all parts included, hence the name.

There are already several tuners for these turbo kits. United Motorsport has done most in the US, and a couple shops overseas have done custom tunes. These kits will be capable of reaching the limits of our stock connecting rods. Upgraded rods are even recommended when pushing these kits to their limit.

[rolandoa1324]

I'm planning on putting a used b8.5 motor on my car, since I have oil burning issues and a bent valve but should I swap the pistons out also then?

What is the most our motors can take?
Sorry for the noob question.

[A4 Centaur]

It will be nice to see some options moving forward.

[Zach L]

I'm planning on putting a used b8.5 motor on my car, since I have oil burning issues and a bent valve but should I swap the pistons out also then?

What is the most our motors can take?
Sorry for the noob question.Pistons are not the weak point on the engine. Connecting rods are the weakest point.

That said, what breaks rods is high torque, especially at lower RPMs. A smaller turbo that makes 400wtq at 3000 RPM is more likely to snap a rod than a larger turbo making the same 400wtq but instead at 4000-4500 RPM.

Running the smaller Boss500 kit will probably be fine with stock internals, but a rod upgrade for either kit would be the safe way to go. If you will already have the engine out of the car, it's a no-brainer. Rods are pretty cheap too.

https://www.performancebyie.com/audi/a4/a4-2009-2015-b8-b8-5/performance-parts/engine-block-internals/connecting-rods

https://www.performancebyie.com/wp/wp-content/uploads/2013/08/IE_2236.jpg

[rolandoa1324]

Pistons are not the weak point on the engine. Connecting rods are the weakest point.

That said, what breaks rods is high torque, especially at lower RPMs. A smaller turbo that makes 400wtq at 3000 RPM is more likely to snap a rod than a larger turbo making the same 400wtq but instead at 4000-4500 RPM.

Running the smaller Boss500 kit will probably be fine with stock internals, but a rod upgrade for either kit would be the safe way to go. If you will already have the engine out of the car, it's a no-brainer. Rods are pretty cheap too.

https://www.performancebyie.com/audi/a4/a4-2009-2015-b8-b8-5/performance-parts/engine-block-internals/connecting-rods

https://www.performancebyie.com/wp/wp-content/uploads/2013/08/IE_2236.jpg

Thank you for all the info now time to just save up a bit more

[Roadtrippn]

I wish there was a cts loyalty program as I've put their k04 on less than a year ago[=(]

[KanjiVirus]

It kinda sucks that they aren't releasing their own tune for this, it would be cool to see what the 6 speed tiptronic can take but no one will tune those transmission

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[A4 Centaur]

^A former co-worker has a B7 A4 2.0 with an APR Stage III kit. He is still hammering it today and it is going as strong as the day he installed it back in 2011.

He lives in the CoS area, and its all black murdered out with 18" wheels and a 6 Speed Tip. Said he only needs to change fluid every year or so to keep her strong.

I would have bet my paycheck that he would have blown both engine and trans by now. Talked with him earlier this year, and he's beating on it and racing Subi's around like a mad man.

He thinks he's at 350 AWHP and I have ridden in it, and its fast: https://www.uspmotorsports.com/Engine/Forced-Induction/Turbo-Kits/APR-Stage-3-Turbo-Kit-2.0T-FSI.html?gclid=EAIaIQobChMIhZrAwYq01gIVCg9pCh1FqgY NEAQYASABEgIlxfD_BwE

I don't think he's on the forums, but here is a list of some of the B7's that have done this kit: http://www.audizine.com/forum/showthread.php/384996-B7-A4-s-with-Stage-3-Roll-Call

I wish we could have seen something like this for B8's by now, but I am pretty happy with the K04-R thus far.

[KanjiVirus]

^A former co-worker has a B7 A4 2.0 with an APR Stage III kit. He is still hammering it today and it is going as strong as the day he installed it back in 2011.

He lives in the CoS area, and its all black murdered out with 18" wheels and a 6 Speed Tip. Said he only needs to change fluid every year or so to keep her strong.

I would have bet my paycheck that he would have blown both engine and trans by now. Talked with him earlier this year, and he's beating on it and racing Subi's around like a mad man.

He thinks he's at 350 AWHP and I have ridden in it, and its fast: https://www.uspmotorsports.com/Engine/Forced-Induction/Turbo-Kits/APR-Stage-3-Turbo-Kit-2.0T-FSI.html?gclid=EAIaIQobChMIhZrAwYq01gIVCg9pCh1FqgY NEAQYASABEgIlxfD_BwE

I don't think he's on the forums, but here is a list of some of the B7's that have done this kit: http://www.audizine.com/forum/showthread.php/384996-B7-A4-s-with-Stage-3-Roll-Call

I wish we could have seen something like this for B8's by now, but I am pretty happy with the K04-R thus far.
How did he fit a kit meant for a transversal engine on a longitudinal?

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[A4 Centaur]

^It was an Audi specific kit. Not a tranverse kit. Looks like they don't sell it anymore?

His car had VERY SIMILAR MODS:
2007 Audi A4, S-Line/Quattro/6spdM/Conv. pkg./Cold weather pkg.

MODS:
-APR Stage 3
GT2871R Honeywell/Garrett Ballistic Series Turbo
APR Stage 3 Software
APR Inconel Nickel Alloy Exhaust Manifold
APR 3" Downpipe
APR Full Stainless Steel Dual Exhaust
APR 130-bar High Pressure Fuel Pump
APR CNC MAF Housing
APR FSI Fuel Injectors
APR SS Braided Oil and Coolant Lines
APR Snubmount
APR Billet Diverter Valve Adapter
APR Inlet and Outlet Compressor Hoses

[KanjiVirus]

^I hear the 6 speed tip of the b7 is even worse than the 6 speed tip of the b8, why is our platform so bad for modding? What does the b7 have we don't?

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[jorte014]

^I hear the 6 speed tip of the b7 is even worse than the 6 speed tip of the b8, why is our platform so bad for modding? What does the b7 have we don't?

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I wonder that too from time to time. Why does our platform leave a lot to be desired in terms of power? There clearly is demand, at least as much demand as there was for the B7.

[KanjiVirus]

Does anyone know of companies that will even try to tune automatic transmissions for this turbo kit?

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[B8_Dude97]

Does anyone know of companies that will even try to tune automatic transmissions for this turbo kit?

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Not unless you got money to wave in their face.
The community can make their own tune quite easy


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[Jezza]

Not unless you got money to wave in their face.
The community can make their own tune quite easy


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How?

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[B8_Dude97]

How?

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Okay "quite easy" is a stretch. First you need a tcu dump. Only two ways I know how to pull that on our cars and one option requires pulling the transmission, other is through the bcm module/canbus.

Tcu dump can then be attained through older methods of flashing like the dealer does and obtain a bin of it. Then you'd need to actually tune it and then flash back the bin to he eeprom.

Tldr: Possible(bimmer guys did it,same tranny) however it's not something that can be done overnight


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[KanjiVirus]

Okay "quite easy" is a stretch. First you need a tcu dump. Only two ways I know how to pull that on our cars and one option requires pulling the transmission, other is through the bcm module/canbus.

Tcu dump can then be attained through older methods of flashing like the dealer does and obtain a bin of it. Then you'd need to actually tune it and then flash back the bin to he eeprom.

Tldr: Possible(bimmer guys did it,same tranny) however it's not something that can be done overnight


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I don't think this community will try hard enough for that

[Zach L]

It kinda sucks that they aren't releasing their own tune for this, it would be cool to see what the 6 speed tiptronic can take but no one will tune those transmission Even if CTS had their own tune, I'd still go with United Motorsport. CTS does not specialize in tuning; just in hardware design/manufacturing. That's the way it's ALWAYS been. That's actually a benefit because it allows full-time software companies (who specialize) to step in and make not just a single tune, but multiple tunes catered to specific owners and varying overall setups. UM has been doing most of the tunes for the CTS BOSS kits, and other companies have tunes in the works. That is a benefit to customers, because it offers choices and competitive forces keep prices lower.

If you look at the Facebook pages for CTS and United Motorsport you'll see over and over about specific cars that are running the UM tunes with REALLY good results.

[KanjiVirus]

Even if CTS had their own tune, I'd still go with United Motorsport. CTS does not specialize in tuning; just in hardware design/manufacturing. That's the way it's ALWAYS been. That's actually a benefit because it allows full-time software companies (who specialize) to step in and make not just a single tune, but multiple tunes catered to specific owners and varying overall setups. UM has been doing most of the tunes for the CTS BOSS kits, and other companies have tunes in the works. That is a benefit to customers, because it offers choices and competitive forces keep prices lower.

If you look at the Facebook pages for CTS and United Motorsport you'll see over and over about specific cars that are running the UM tunes with REALLY good results.
Only problem is no one tunes the automatics, and I know the 6hp28 in pre facelift models can't handle that much torque, it's still good for some bit and can definitely handle more than a k04

[Zach L]

Only problem is no one tunes the automatics, and I know the 6hp28 in pre facelift models can't handle that much torque, it's still good for some bit and can definitely handle more than a k04That's not a problem for all of us.

Someone needs to make a "High Horsepower w/ Auto Transmission" thread. Every 10 posts in here someone brings it up and clogs the thread. This thread is about the CTS kit; not auto trans issues.

[Zach L]

I wonder that too from time to time. Why does our platform leave a lot to be desired in terms of power? There clearly is demand, at least as much demand as there was for the B7.
The EA113 engine is stronger overall than the EA888 Gen2 in our cars. The EA113 has also been around for over 13 years at this point. Our B8 engine has only been around for about 9 years, so it's not as far along in the aftermarket product offering cycle.

Another reason this kit is not available is because products are always developed for the GTI and other transverse applications first, since there's a much larger potential customer base and more demand. Kits and tuning for the A4 always take longer to come to market.

[KanjiVirus]

That's not a problem for all of us.

Someone needs to make a "High Horsepower w/ Auto Transmission" thread. Every 10 posts in here someone brings it up and clogs the thread. This thread is about the CTS kit; not auto trans issues.
I'm discussing how tuning will work for the automatics and that's important for this BOSS kit so I'm not "clogging" the thread lmao just because you have a manual doesn't mean you can shit on anyone who brings up an automatic issue with this kit in a thread lmao

[KanjiVirus]

I know how to make an automatic handle more horsepower that's no problem is the fact I'm asking if anyone knows any local shops that do tunes on automatics for turbo kits on our cars

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[Zach L]

I'm discussing how tuning will work for the automatics and that's important for this BOSS kit so I'm not "clogging" the thread lmao just because you have a manual doesn't mean you can shit on anyone who brings up an automatic issue with this kit in a thread lmao
I know how to make an automatic handle more horsepower that's no problem is the fact I'm asking if anyone knows any local shops that do tunes on automatics for turbo kits on our carsTechnically, you can post anything you want in any thread, and I can hassle anyone in a thread. Neither would be good for the forum though.

What is good for the forum is posting about what a thread was created for. Addressing the auto trans issues is important, but it's not specific to this turbo kit. There are already custom turbo kits people are running right now, and there will undoubtedly be more big turbo kits available in the future than just this CTS kit. I agree this is an issue that needs to be discussed - there should be a thread and I probably would have made one already if my car had a slush box. It'd be helpful to you auto guys as well if looking for transmission related info not having to dig through various turbo threads.

[KanjiVirus]

Technically, you can post anything you want in any thread, and I can hassle anyone in a thread. Neither would be good for the forum though.

What is good for the forum is posting about what a thread was created for. Addressing the auto trans issues is important, but it's not specific to this turbo kit. There are already custom turbo kits people are running right now, and there will undoubtedly be more big turbo kits available in the future than just this CTS kit. I agree this is an issue that needs to be discussed - there should be a thread and I probably would have made one already if my car had a slush box. It'd be helpful to you auto guys as well if looking for transmission related info not having to dig through various turbo threads.
^fair enough

[jorte014]

The EA113 engine is stronger overall than the EA888 Gen2 in our cars. The EA113 has also been around for over 13 years at this point. Our B8 engine has only been around for about 9 years, so it's not as far along in the aftermarket product offering cycle.

Another reason this kit is not available is because products are always developed for the GTI and other transverse applications first, since there's a much larger potential customer base and more demand. Kits and tuning for the A4 always take longer to come to market.

Makes sense. I guess we just have to wait for this kit to come out for the B8. Still have my doubts if it will be released.

[jorte014]

That's not a problem for all of us.

Someone needs to make a "High Horsepower w/ Auto Transmission" thread. Every 10 posts in here someone brings it up and clogs the thread. This thread is about the CTS kit; not auto trans issues.

This is true. So glad I got the 6MT where we remove the transmission from the equation as one of the limiting factors.

[spin0rz]

This is true. So glad I got the 6MT where we remove the transmission from the equation as one of the limiting factors.
Still need a new clutch [emoji24]


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[spin0rz]

https://uploads.tapatalk-cdn.com/20170928/02684d97af608db1c35056a1d3d85032.jpg

CTS posted this. Seems United motorsports are getting their hands on these kits. They'll probably have some experience when it comes down to tweaking it for the b8 [emoji7][emoji7]

https://uploads.tapatalk-cdn.com/20170928/91b3e46813c57e9d7484413ff13960fd.jpg
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Pretty sure this means United motorsports will have an off the shelf or something ready to use when these kits come out.

[Spawne32]

If they don't have an option on tuning for the ZF 6 and 8 speeds, ill pass on this. I cannot afford to replace a 7000 dollar transmission.

[B8_Dude97]

If they don't have an option on tuning for the ZF 6 and 8 speeds, ill pass on this. I cannot afford to replace a 7000 dollar transmission.

In terms of reliability I think the 6 speed will be just fine the torque isn't near as much as an k04 and it handles that fine and torque is what makes shit hit the fan

I'm saddened it has an internal wastegate but still a cool kit


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[B8_Dude97]

Although I think valve springs and a tcu tune to 8k rev limit is what this thing needs. Take full advantage of that big turbo


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[KanjiVirus]

Although I think valve springs and a tcu tune to 8k rev limit is what this thing needs. Take full advantage of that big turbo


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That's the thing though, we would need both a custom ecu and tcu tune for this project, which either will A)take too long for the community/tuners to make, or B)never come out

[B8_Dude97]

That's the thing though, we would need both a custom ecu and tcu tune for this project, which either will A)take too long for the community/tuners to make, or B)never come out

I mean I'd love to take a crack at it myself but I sadly don't have a bench setup to gain access to that part of the bcm


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[Zach L]

If they don't have an option on tuning for the ZF 6 and 8 speeds, ill pass on this. I cannot afford to replace a 7000 dollar transmission.Manual swap with used parts is about $1500.

[Zach L]

CTS posted this. Seems United motorsports are getting their hands on these kits. They'll probably have some experience when it comes down to tweaking it for the b8 [emoji7][emoji7]

Pretty sure this means United motorsports will have an off the shelf or something ready to use when these kits come out.Thanks for posting the latest news!

There are a ton of Mk7 GTI, Audi A3/S3 cars currently on the road running BOSS kits without issue for over a year now. Most of them are making 400-500 awhp and most were tuned by United Motorsport. I posted about that in this thread back in February.

Our B8 setup will likely make less power due to limits of ours cars' fueling systems. I believe injector upgrades will be common with these turbos on our EA888.2 engines. Either way, my suspicion is 370-420 awhp and UM will undoubtedly have the most refined tuned and be the one to go with.

[spin0rz]

Thanks for posting the latest news!

There are a ton of Mk7 GTI, Audi A3/S3 cars currently on the road running BOSS kits without issue for over a year now. Most of them are making 400-500 awhp and most were tuned by United Motorsport. I posted about that in this thread back in February.

Our B8 setup will likely make less power due to limits of ours cars' fueling systems. I believe injector upgrades will be common with these turbos on our EA888.2 engines. Either way, my suspicion is 370-420 awhp and UM will undoubtedly have the most refined tuned and be the one to go with.

I'm at a point where I am close to the failure rate of the oem injectors. Already had one which started staying open which led to hpfp failure. A little injector refresh won't be a bad thing.

If most k04 setups have issues poking 300awhp without e85/meth. I'll gladly take a mild 350awhp on 91/93 if the kit ( the smaller 2867r) offer some decent low rpm torque for daily driving. If there's room to grow, that's all that matters, that's something these k04 don't offer.

I'll go spend some time looking at the dyno maps available for 2867r builds for the ea888 gen 1. If I recall, I've seen some fairly interesting torque curves. ( Was looking at the difference in the turbine a/r of.64 and.84)


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[jorte014]

Still need a new clutch [emoji24]


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I feel you. I am running the Southbend Stage 2 Endurance kit so I'm good to go in that department. Can't wait for this kit.

[Spawne32]

Manual swap with used parts is about $1500.

Or I can just go buy a faster car. [:D]

[spin0rz]

I feel you. I am running the Southbend Stage 2 Endurance kit so I'm good to go in that department. Can't wait for this kit.

You're lucky. I'm still on the stock one and I feel like I have to baby the thing. I never even attempted dropping the clutch. [emoji23] how's the grab on the stage 2?


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[jorte014]

You're lucky. I'm still on the stock one and I feel like I have to baby the thing. I never even attempted dropping the clutch. [emoji23] how's the grab on the stage 2?


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Really good, my tune from APR has a hold feature and will hold the revs at 5500 rpm when in gear and the clutch engaged. I can then dump the clutch and it grabs instantly, even has a little bit of wheel chirp.


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[spin0rz]

Really good, my tune from APR has a hold feature and will hold the revs at 5500 rpm when in gear and the clutch engaged. I can then dump the clutch and it grabs instantly, even has a little bit of wheel chirp.


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What? Never heard of that. What stage are you? K04? Or stock turbo with stage 1/2? Was that feature added for you car or everyone has that? Maybe it's a feature only available on people with upgraded clutch??

Makes me want to go try it out hahahaha. My clutch will definitely slip tho. I'd have to let it slip a bit and then let it grab. Not like you with drop I suppose..

I feel 5500 might be way too high to do a clutch drop overall...
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[spin0rz]

What? Never heard of that. What stage are you? K04? Or stock turbo with stage 1/2? Was that feature added for you car or everyone has that? Maybe it's a feature only available on people with upgraded clutch??

Makes me want to go try it out hahahaha. My clutch will definitely slip tho. I'd have to let it slip a bit and then let it grab. Not like you with drop I suppose..

I feel 5500 might be way too high to do a clutch drop overall...
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I think you can't Rev past 5500 unless traction control is fully removed. Without apr, I think the Rev are stuck at 4,000. It most certainly isn't a feature to hold rpm... But eh.. Maybe you're talking about something else. [emoji23]


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[jorte014]

What? Never heard of that. What stage are you? K04? Or stock turbo with stage 1/2? Was that feature added for you car or everyone has that? Maybe it's a feature only available on people with upgraded clutch??

Makes me want to go try it out hahahaha. My clutch will definitely slip tho. I'd have to let it slip a bit and then let it grab. Not like you with drop I suppose..

I feel 5500 might be way too high to do a clutch drop overall...
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It’s a special tune APR made for me when they were releasing the 3.0 version. It’s still buried on the forums somewhere haha. I’m at Stage 2+ holding out strong until this kit is ready!!


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[jorte014]

I used to do it with the stock clutch before it gave out. It wouldn’t grab right away though, slipped a lot haha.


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[jorte014]

I think you can't Rev past 5500 unless traction control is fully removed. Without apr, I think the Rev are stuck at 4,000. It most certainly isn't a feature to hold rpm... But eh.. Maybe you're talking about something else. [emoji23]


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Here's a screen shot of the email conversation between me and the APR Engineer on this feature. Reach out to them and see if they can hook you up. It feels really good to do a proper AWD launch.

http://www.audizine.com/gallery/data/500/medium/APR_Ecu_Mod.PNG

[Zach L]

I think you can't Rev past 5500 unless traction control is fully removed. Without apr, I think the Rev are stuck at 4,000. It most certainly isn't a feature to hold rpm... But eh.. Maybe you're talking about something else. [emoji23]


Sent from my iPhone using Audizine (http://r.tapatalk.com/byo?rid=87676)Factory cars have a 3500 rpm redline while in neutral. The way to get around the rev limit is to put the car in 1st gear, press in the clutch and turn off traction control. That'll let you rev to the normal redline.

[grizzlyone]

https://uploads.tapatalk-cdn.com/20170928/02684d97af608db1c35056a1d3d85032.jpg

CTS posted this. Seems United motorsports are getting their hands on these kits. They'll probably have some experience when it comes down to tweaking it for the b8 [emoji7][emoji7]

https://uploads.tapatalk-cdn.com/20170928/91b3e46813c57e9d7484413ff13960fd.jpg
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Pretty sure this means United motorsports will have an off the shelf or something ready to use when these kits come out.

Yes thats my A5, and it will be running a UM tune

[kradgsxr2]

Any updates on the B8 Kit?

[blbroo]

I wonder if this will ever really launch. The volume potential for our cars isn’t huge.

I’m thinking of moving to an s3 to go boss 600, but would keep my car if this kit produced great numbers.


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[AllroadCorbin]

I wonder if this will ever really launch. The volume potential for our cars isn’t huge.

I’m thinking of moving to an s3 to go boss 600, but would keep my car if this kit produced great numbers.


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Get an MQB car if power and speed is what you want. I️ drove a stage 2 S3 once and it makes my Allroad feel slow


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[blbroo]

Get an MQB car if power and speed is what you want. I️ drove a stage 2 S3 once and it makes my Allroad feel slow


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Boss makes stage 2 look slow

https://youtu.be/CHE4U1DRuc0


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[AllroadCorbin]

Boss makes stage 2 look slow

https://youtu.be/CHE4U1DRuc0


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Which makes a K04 B8 feel like a Corolla


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[kradgsxr2]

It’s been almost a month!! Any updates?

[Mina08]

Guys

been reading through the thread, any updates. My motor is reaching the end of its life, i want to keep the car as i love the B8 Avant look, and also have the chance to buy a brand new motor from Audi 2.0TFSI 211hp(the latest spec) for a crazy low price. So i was looking at this kit from CTS, my only worry is i have the 7 speed S-tronic (recently serviced), will it hold up? i am looking for around 350+hp. i will get a tune, HFC, larger intercooler, and intake if i go with this kit.

[A4 Centaur]

^ I think if you don't do a lot of launches and hammering on the transmission you should be fine. Fresh fluids and get these two parts connected and let us know how it goes!

[B8_Dude97]

This was the last update from CTS about a week ago.

https://uploads.tapatalk-cdn.com/20180113/b4f29fc4757c8b52492fa3e527f71bfe.jpg

https://uploads.tapatalk-cdn.com/20180113/7665981ac10365fd98f87836d078b4d4.jpg


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[shonseb]

Guys

been reading through the thread, any updates. My motor is reaching the end of its life, i want to keep the car as i love the B8 Avant look, and also have the chance to buy a brand new motor from Audi 2.0TFSI 211hp(the latest spec) for a crazy low price. So i was looking at this kit from CTS, my only worry is i have the 7 speed S-tronic (recently serviced), will it hold up? i am looking for around 350+hp. i will get a tune, HFC, larger intercooler, and intake if i go with this kit.

https://www.etektuning.com/ssp-high-performance-clutch-800-ft-lbs-for-audi-a4-s4-a5-s5-q5-rs5-dl501-7-speed-longitudinal-trans/

[Mina08]

https://www.etektuning.com/ssp-high-performance-clutch-800-ft-lbs-for-audi-a4-s4-a5-s5-q5-rs5-dl501-7-speed-longitudinal-trans/

Thanks for that, great shit load more to spend, dropping the trans. Now i am a little nervous about this, if to do it or not.


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[Zach L]

Thanks for that, great shit load more to spend, dropping the trans. Now i am a little nervous about this, if to do it or not.


Sent from my iPhone using TapatalkYou will NOT need to do transmission hardware upgrades for the power you want. You said you want 350hp, so you'd want to get the BOSS500 kit and run a mild tune. The turbo will be capable of more power, if you want more later.

Your trans is the same as the B8 S4 and is perfectly capable of handling 350-400 lbft of torque. What I would suggest is upgraded software for the transmission. That will make it shift faster and smoother with the increased power levels. DSG is capable of handling that per, but it will be jerky if you don't have better software running it. Trans software is just as easy to install as engine software.

[Zach L]

Yes thats my A5, and it will be running a UM tuneAny updates on your red A5 and BFI doing the UM tune on a BOSS kit?

[Mina08]

i was hoping so, thanks


You will NOT need to do transmission hardware upgrades for the power you want. You said you want 350hp, so you'd want to get the BOSS500 kit and run a mild tune. The turbo will be capable of more power, if you want more later.

Your trans is the same as the B8 S4 and is perfectly capable of handling 350-400 lbft of torque. What I would suggest is upgraded software for the transmission. That will make it shift faster and smoother with the increased power levels. DSG is capable of handling that per, but it will be jerky if you don't have better software running it. Trans software is just as easy to install as engine software.

[rolandoa1324]

51659


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[Roadtrippn]

51659


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Getting there!

[Ronb8.5a4]

I'm excited for this kit. Can't wait!

[SleeperCar]

I’m still unsure how 500hp is claimed, I’d be curious to see logs. Also New forged internals seem like a must, and that can add up pretty quick.... also new fueling system too.

I’m beyond excited as well, but, will this be ‘daily-able’

[hyperunion]

I’m still unsure how 500hp is claimed, I’d be curious to see logs. Also New forged internals seem like a must, and that can add up pretty quick.... also new fueling system too.

I’m beyond excited as well, but, will this be ‘daily-able’Let's just see one.. any b8 run under a 12.1 in the quarter... If it can't.. then k04 on flexfuel e85 vehicles are king!!!..
Really cts has a development car to really put this to the test...

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[B8_Dude97]

Let's just see one.. any b8 run under a 12.1 in the quarter... If it can't.. then k04 on flexfuel e85 vehicles are king!!!..
Really cts has a development car to really put this to the test...

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Russian build had a Garrett turbo on his a5 and ran 11.7 according to his build his thread.


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[earhythmic]

I’m still unsure how 500hp is claimed, I’d be curious to see logs. Also New forged internals seem like a must, and that can add up pretty quick.... also new fueling system too.

I’m beyond excited as well, but, will this be ‘daily-able’

The boss kit is somewhat mature on the VW platform, golfs, GTIs, etc. our B8s share a lot of components with the European VW market (like fueling) and those guys are running the BOSS kits with stock internals. There likely won’t be a flex fuel option though since Canada doesn’t get E85 and the tune is going to be written by United Motorsports.

[SleeperCar]

The boss kit is somewhat mature on the VW platform, golfs, GTIs, etc. our B8s share a lot of components with the European VW market (like fueling) and those guys are running the BOSS kits with stock internals. There likely won’t be a flex fuel option though since Canada doesn’t get E85 and the tune is going to be written by United Motorsports.

UM as tune is confirmed?

if so, UM would definitely tune for E85, they are more prone to custom tune for specific platforms.

[SleeperCar]

Let's just see one.. any b8 run under a 12.1 in the quarter... If it can't.. then k04 on flexfuel e85 vehicles are king!!!..
Really cts has a development car to really put this to the test...

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I dont see why it wouldnt. CTS already sells the K04, and if this doesn't perform better, than it would be a big waste of R&D time and cost.

[earhythmic]

UM as tune is confirmed?

if so, UM would definitely tune for E85, they are more prone to custom tune for specific platforms.

Possible since they have have a flex fuel option for the MBQ platform. What I wrote above is just what I was told.

[Ronb8.5a4]

I wish CTS would post a build process. 😧

[SleeperCar]

Possible since they have have a flex fuel option for the MBQ platform. What I wrote above is just what I was told.

UM and eurodyne are confirmed as tuner options, at least that is what ctsturbo told me on IG.

[kradgsxr2]

Any updates?

[SILVERBACK004]

^+1 Any updates or progress development charts? [:D]

[jorte014]

Is this ever happening? [confused][:(]

[Perry01]

Is this ever happening? [confused][:(]

After two and a half years? I’m not sure...

[SleeperCar]

They said early spring, I messaged them on IG to see if we can get some answers. This kit won’t be cheap though, just north of 3k.