B8 Ko4 owners follow up thread

[Traptalk]

The outlet looks exactly the same as perry’s Cts k04

[bb-tt]

Honestly not sure on the outlet size. Did the original cts k04 that was still borg Warner need a different charge pipe?

No I actually had to buy a new one bc I had the eurocode which was oversized so it was too big.

[bb-tt]

The outlet looks exactly the same as perry’s Cts k04

Isn't that the cts from 2 generations ago before they Incorporated the dv adapter?

[Spawne32]

the lobo looks to still be using 2 1/4" where as the cts i think was a tig welded 2.5", which was why they recommended using their intercooler kit with it. but dont quote me on that. either way... 2.25-2.5, i mean im not sure whether theres a huge difference there anyway.

[Perry01]

Isn't that the cts from 2 generations ago before they Incorporated the dv adapter?

Yes, it is.

the lobo looks to still be using 2 1/4" where as the cts i think was a tig welded 2.5", which was why they recommended using their intercooler kit with it.

I’m pretty sure it’s 2.5” tig welding on the CTS K04. I had it ported and polished before installation. The Wagner silicone piping fit nicely.

[bb-tt]

the lobo looks to still be using 2 1/4" where as the cts i think was a tig welded 2.5", which was why they recommended using their intercooler kit with it. but dont quote me on that. either way... 2.25-2.5, i mean im not sure whether theres a huge difference there anyway.

I had to buy a stock size pipe as the eurocode chargepipe is 2.25 and was too big think stock outlet is 1.75. will measure the eurocode when I get home. Here is link to what I had on the ko3 when I installed the cts ko4 the charge pipe was to large to fit the turbo. https://www.ecodetuning.com/EC0405-0...ategory_id=603

[Chatchie]

I need to make a turbo decision guys.
Can either buy the loba for 1770 euro plus custom tunes
Tte 2600 + 250 shipping (with 10% discount) plus custom tunes
Or take vast up on using my car to develop a g25-550 kit (parts at cost and labor super discounted) estimated between 4-5000$ with tunes and free zf trans service

You've got me super interested man. I think the Loba with a proper tune is gonna be a winner on this platform.

Thanks to everyone in here experimenting on this platform so we can all benefit.

[bb-tt]

Ok so measured the eurocode muffler delete and it is 2 1/4 inch.
When I put the cts ko4 on I had to buy new charge pipe as the eurocode pipe was to large for the flange cts welded on.

[Traptalk]

Welp about to update my port injection prep thread. Spent a hour on the phone with prometh and have a direct port kit on the way.

Loba should ship out Wednesday they said with ups express saver, so in other words, i have no idea when to expect its arrival lol. Looks like 2-3 day range from the uk to the states so hopefully something similar from Germany.

Will take some measurements and post back

[Chatchie]

Welp about to update my port injection prep thread. Spent a hour on the phone with prometh and have a direct port kit on the way.

Loba should ship out Wednesday they said with ups express saver, so in other words, i have no idea when to expect its arrival lol. Looks like 2-3 day range from the uk to the states so hopefully something similar from Germany.

Will take some measurements and post back

There was alot of talk about fueling on the Loba web page. Do you think the stock fueling can handle it for a daily driver tune? I just texted my tuner and he wasn't familiar with it.

I know your going with a meth port injection, is that to compensate for the stock fueling or is it for additional power on top?

[Traptalk]

There was alot of talk about fueling on the Loba web page. Do you think the stock fueling can handle it for a daily driver tune? I just texted my tuner and he wasn't familiar with it.

I know your going with a meth port injection, is that to compensate for the stock fueling or is it for additional power on top?

Was mostly to raise octane and cool, but if I do need more fuel will be easy and cheaper to get it from my already existing meth system in place then to buy a lpfp or the loba hpfp.

We can only go off of the mk6 golf r guys do much because at the end of the day it’s a different motor with a different fuel system. But I believe other big turbo guys have found the stock fueling is good until about 400whp

[Chatchie]

I think 350-400 whp would be plenty for the allroad. The only other issue I need to discuss with my tuner is if e85 will still be compatible like it is with my APR tune. The shop owners are Russian and Romanian with heavy accents so it's hard to communicate what I want sometimes. Especially cause I ask 1000 questions.

[Traptalk]

I think 350-400 whp would be plenty for the allroad. The only other issue I need to discuss with my tuner is if e85 will still be compatible like it is with my APR tune. The shop owners are Russian and Romanian with heavy accents so it's hard to communicate what I want sometimes. Especially cause I ask 1000 questions.

Sounds like me talking to loba LOL. Only took 43 emails to get a PayPal invoice 😂

[Traptalk]

Some measurements from the loba comp. outlet

[Traptalk]

They shipped it on a Friday from Hamburg Germany and it arrived on Monday in New York. No duties or import taxes!



Nice shot of the clipped turbine

Can see a drop of like ink and uneven shaving on the turbine nut. I imagine these are balancing tricks.

Spins very nice. My turbo has no shaft play but this installation sheet they include says that “it is normal to feel some up and down movement on the wheels”

Looks like they recommend new oil lines too if yours have any dents or imperfections. So guess going to pick up new oil supply and return lines and to be sure it’s getting good flow on first start.

Was a little bummed that the exhaust manifold wasn’t port and polished like they do on some of their other models like the LO500

[Chatchie]

I'm so excited for you to get this in and tuned. Looks awesome man.

[Mars2]

If this one is similar to a Loba LOCO-04 you going to enjoy it. I have been in a G6 GTI with LOCO-04 pull hard from very low and make 420CHP

[Mars2]

I would be very curious to know what is the MAF value for a APR K04 E85 tune.
I guess 275 to 285G/s and agressive timing? Between 15 and 18°

[Traptalk]

If this one is similar to a Loba LOCO-04 you going to enjoy it. I have been in a G6 GTI with LOCO-04 pull hard from very low and make 420CHP

No the loco is considered a step up I believe and not available for longitudinal engines

[Mars2]

LOCO-04 use compressor wheel V3 LOBA LO-3580

[Traptalk]

Think the LO400L uses the v3 LO-2580

[dansneet]

I don't know about anyone else but I feel like my break boost caps at 2400-2500 on S mode.

Oz

I’m hoping to revisit this topic, I can’t brake boost past 2400 rpm either, with my (recently installed) k04. When I was stage 2 K03 I could easily hit 3k and the initial launch felt stronger as the tires would chirp every time. No more tire chirp with k04, and my 0-60 time is only slightly better than stage 2 k03. This is with ZF8.

Thoughts?

[Traptalk]

I’m hoping to revisit this topic, I can’t brake boost past 2400 rpm either, with my (recently installed) k04. When I was stage 2 K03 I could easily hit 3k and the initial launch felt stronger as the tires would chirp every time. No more tire chirp with k04, and my 0-60 time is only slightly better than stage 2 k03. This is with ZF8.

Thoughts?

I was under the impression that ots k04 maps limit boost below 3500r to moderate compressor surge. So what you’re experiencing makes sense.

I would also try launching in manual mode with traction control all the way off.

I don’t know how any of you zf8 guys can stand driving in D or S for me it’s completely unbearable on apr stage 2. Car wants to shift into 8th gear as quick as possible making it so slow to pass from cruising speeds and can barely rev out a gear

[Nano909]

I was under the impression that ots k04 maps limit boost below 3500r to moderate compressor surge. So what you’re experiencing makes sense.

I would also try launching in manual mode with traction control all the way off.

I don’t know how any of you zf8 guys can stand driving in D or S for me it’s completely unbearable on apr stage 2. Car wants to shift into 8th gear as quick as possible making it so slow to pass from cruising speeds and can barely rev out a gear

I never had that issue in S mode. Car would never shift to 8th until I hit 90ish. D mode I just use when I cruise on the freeway.

[A4x]

I’m hoping to revisit this topic, I can’t brake boost past 2400 rpm either, with my (recently installed) k04. When I was stage 2 K03 I could easily hit 3k and the initial launch felt stronger as the tires would chirp every time. No more tire chirp with k04, and my 0-60 time is only slightly better than stage 2 k03. This is with ZF8.

Thoughts?

I was under the impression that ots k04 maps limit boost below 3500r to moderate compressor surge. So what you’re experiencing makes sense.

I would also try launching in manual mode with traction control all the way off.

I don’t know how any of you zf8 guys can stand driving in D or S for me it’s completely unbearable on apr stage 2. Car wants to shift into 8th gear as quick as possible making it so slow to pass from cruising speeds and can barely rev out a gear

It's called more turbo lag with a bigger turbo.

[Traptalk]

It's called more turbo lag with a bigger turbo.

Lol we’re talking a few mm’s here

Stock turbo actually has a slightly larger turbine other members have found from their measurements

[Nano909]

It's called more turbo lag with a bigger turbo.

K04 isn't big enough to make that big of a difference. The "lag" comes from you being used to the torque the K03 has with a stage 2 tune, and not feeling it anymore once you go K04.

I can now speak firsthand on this matter. As a fresh K04 owner, after driving a long time with APR stage 2, I don't feel lag, I feel less torque. Turbo still spools pretty quickly.

[dansneet]

It seems like turbine or compressor size would only affect the amount of boost you can build while loading up the torque converter, no? And not RPM’s.

I feel like brake boosting to only 2000-2400 RPM really puts a damper on how quick the car gets off the line. When I let off the brake, the car bogs/hesitates slightly before it takes off. Like I said in my previous post it would never happen with the stock turbo on Stage 2. This is my first automatic trans, ever, so maybe I need to just accept its limitations?

[Nano909]

It seems like turbine or compressor size would only affect the amount of boost you can build while loading up the torque converter, no?

I feel like brake boosting to only 2000-2400 RPM really puts a damper on how quick the car gets off the line. When I let off the brake, the car bogs/hesitates slightly before it takes off. Like I said in my previous post it would never happen with the stock turbo on Stage 2. This is my first automatic trans, ever, so maybe I need to just accept its limitations?

You can hit 3k rpm while brake boosting. I do it.

[dansneet]

You can hit 3k rpm while brake boosting. I do it.

Exactly, I know people are doing it. I just watched a YouTube video where someone with my exact turbo setup (and tune) was able to hit 3k rpm just like you said. I just can’t figure out what’s going sour for me?

Sport mode, ESC off, depress brake completely, depress throttle to load TC and build boost, but it never gets past 2400 rpm.

[Nano909]

Exactly, I know people are doing it. I just watched a YouTube video where someone with my exact turbo setup (and tune) was able to hit 3k rpm just like you said. I just can’t figure out what’s going sour for me?

Sport mode, ESC off, depress brake completely, depress throttle to load TC and build boost, but it never gets past 2400 rpm.

What you do is you just push the traction control button and let go, don't hold it. I found that turning it completely off doesn't let you go to 3000+. AMAX still engages.

[JLAllroad]

Exactly, I know people are doing it. I just watched a YouTube video where someone with my exact turbo setup (and tune) was able to hit 3k rpm just like you said. I just can’t figure out what’s going sour for me?

Sport mode, ESC off, depress brake completely, depress throttle to load TC and build boost, but it never gets past 2400 rpm.

Trans has to be up to temp, wheel dead straight, gas pedal to the floor, past the kick down.....might your car have hit the AMAX limit?


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[Shane Horning]

Seems like maybe your waste gate crack pressure is too low.

Exactly, I know people are doing it. I just watched a YouTube video where someone with my exact turbo setup (and tune) was able to hit 3k rpm just like you said. I just can’t figure out what’s going sour for me?

Sport mode, ESC off, depress brake completely, depress throttle to load TC and build boost, but it never gets past 2400 rpm.

Sent from my SM-S367VL using Audizine mobile app

[dansneet]

Trans has to be up to temp, wheel dead straight, gas pedal to the floor, past the kick down.....might your car have hit the AMAX limit?

That thought did cross my mind as I am the second owner, but I doubt the previous owner would have wanted to do 200+ launches in a bone-stock allroad, but you never know....

Seems like maybe your waste gate crack pressure is too low.

Yikes, I sure hope not, I wouldn't know how to address that. I'll have to do some research there.

[Shane Horning]

That thought did cross my mind as I am the second owner, but I doubt the previous owner would have wanted to do 200+ launches in a bone-stock allroad, but you never know....


Yikes, I sure hope not, I wouldn't know how to address that. I'll have to do some research there.

Very easy. Just shorten the waste gate actuator rod a little. Should be adjustable

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[Shane Horning]

Trans has to be up to temp, wheel dead straight, gas pedal to the floor, past the kick down.....might your car have hit the AMAX limit?


Sent from my iPhone using Audizine

Btw max mode has nothing to do with how much you can brake boost

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[Nano909]

Btw max mode has nothing to do with how much you can brake boost

Sent from my SM-G935V using Audizine mobile app

There's supposedly a hidden counter for AMAX, similar to DSG's counter.

[Perry01]

You can hit 3k rpm while brake boosting. I do it.

I raised mine to 3400 RPM using HPTuner software. (and reset the AMAX counter to 999). It makes for a quick launch. Tire spin on all 4 😳

[Shane Horning]

Yes there is but that only affects shift speeds at wot. My guess is if it's not brake boosting properly then he either has crack pressure too low or boost leak or leaky waste gate. I had the jam nut come loose on my waste gate causing it to back off a half inch and I couldn't build boost at low rpms or when launching but could get 25 psi at 4k. With waste gate crack pressure around 8psi I can boost 25psi at 2k rpms

There's supposedly a hidden counter for AMAX, similar to DSG's counter.

Sent from my SM-S367VL using Audizine mobile app

[Nano909]

I raised mine to 3400 RPM using HPTuner software. (and reset the AMAX counter to 999). It makes for a quick launch. Tire spin on all 4

Is that what you used to tune your TCU?