PDA

View Full Version : is this turbo to big for out motor???



audimanj
10-24-2006, 07:39 AM
I would like to get a gt35r to put on a semi built 1.8t rods, cams, valve springs, ported head. I was wondering how the spool would be with this turbo ect. I dont know to much about turbo information, so I figured I would ask here. let me know what you think about the specs of this turbo.




T04s compressor and T3 divided tang turbine, ball bearing GT35r spec turbo.

This turbo is good for 2.0 - 4.5 liter


Details:

Compressor: T04S housing (4" inlet, 2.5" outlet)
56 trim .70 A/R , flows 65 LB/MIN

Turbine: T3 inlet, 3" outlet (V-Band)
84 trim .82 A/R

B597
10-24-2006, 07:41 AM
mike hood aka mike2ptzero is running this turbo i believe. im sure he can fill you in on it

k0mpresd
10-24-2006, 07:57 AM
there is sooooooooo much info on this turbo out there

search..id start w/ here (az) and then check vortex

iowaboostin
10-24-2006, 08:54 AM
Lots of info around like he said ^

Though on a semi built 1.8t? You'll need some serious power to get that thing spooling in the first place [;)]

onemoremile
10-24-2006, 09:00 AM
lots of info on the vortex 1.8t engine forum.

what are you planning on using this for? you'll have loads of power from maybe 5000-8500 but that is it. meth or race gas will be needed to let that turbo really breathe. maybe 22 psi on pump and 30-35 on the sauce... sounds kinda fun..

b00st
10-24-2006, 09:13 AM
mike hood runs the GT35R on bumped up displacement. he's a 2.0L. use nitrous to get it spooled up faster. you'll need a standalone too. raise that rev limit to 8500.

Don Supreme
10-24-2006, 09:26 AM
I started a thread about this on here and on vortex. Go read up and if you have any unanswered questions post in one of those threads.

Either way I am going to attempt this project within the next few months.

onemoremile
10-24-2006, 09:30 AM
have you looked into the gt3071r? depending on your desired result, this may be a better turbo for you.

k0mpresd
10-24-2006, 09:59 AM
im biased but..3076r [up]

bitterchild
10-24-2006, 10:21 AM
3076 .63 is the largest I'd recommend for a stock 1.8t longblock. Maybe an .82 if there was a decent amount of headwork.

1 ate T
10-24-2006, 10:38 AM
3071r FTW...

with a GT35R even with quattro, you'll have problems with the spool.. find the ultimate answer to the phrase 'turbo lag'.

a dude here has one on his GTi... and it's completly ridiculous.. he cant race anyone unless it's an 80 roll..

aRIf
10-24-2006, 10:45 AM
Originally posted by 1 ate T
3071r FTW...

with a GT35R even with quattro, you'll have problems with the spool.. find the ultimate answer to the phrase 'turbo lag'.

a dude here has on on his GTi... and it's completly ridculous.. he cant race anyone unless it's an 80 roll..

Yeah I know this dude.

LAG is huge so it spools after he finish 1/4mile race [:D] [:p]

1 ate T
10-24-2006, 10:50 AM
Originally posted by aRIf
Yeah I know this dude.

LAG is huge so it spools after he finish 1/4mile race [:D] [:p]

lol [:p]

it looks pretty! but its kinda useless.

Don Supreme
10-24-2006, 10:59 AM
Originally posted by 1 ate T
3071r FTW...

with a GT35R even with quattro, you'll have problems with the spool.. find the ultimate answer to the phrase 'turbo lag'.

a dude here has one on his GTi... and it's completly ridiculous.. he cant race anyone unless it's an 80 roll..

His problem is not lag, it is called FWD. He probably spins tires at full throttle before 80 running this turbo.

Video....
GT35r powered VW..
http://video.google.com/videoplay?docid=-8774835238748521071&q=gt35r
As you can see the tire spin is pretty bad.

onemoremile
10-24-2006, 12:53 PM
i've ridden in a jetta vr6 turbo like that. pretty pointless. they can knock out some nice times on the strip with some wrinkle walls but are pretty silly on real street tires. we pulled onto a straight downhill entrance ramp and spun them in third. kind of a neat trick but not all that efficient at moving the car. floor an rs6 from a stop and you'll feel nothing but pure mechanical grip. can't beat that.

i always wondered why VW put an engine as amazing as the VR6 in a front wheel drive chassis. a vr6 a4 would be just sick with a little help from a turbo. i had a serious jones for a 3.2 liter VR6 Passat Synchro wagon before i found out that it was north of 40 grand.

pac1085
10-24-2006, 12:58 PM
Based on this:

T04s compressor and T3 divided tang turbine, ball bearing GT35r spec turbo.


it sounds like one of those SSautochrome knockoff turbos on ebay.

Do your self a favor and get a real one if you are going to do it.

audimanj
10-24-2006, 01:04 PM
I would never go with anything else besides a true garrett turbo. this was a knockoff on ebay and I didnt find that out until I asked him and he walked around the question. those people on ebay can be tricky. Also what clutch would go well with this 35r?

k0mpresd
10-24-2006, 01:31 PM
southbend

pac1085
10-24-2006, 01:32 PM
I'm EXTREMELY happy with my clutchnet clutch, they have even more extreme ones than what I got if you need more power holding capability. (mines sprung 6 puck because Its my daily driver)

audimanj
10-24-2006, 01:39 PM
I was looking at southbend since everyone here seems to love them but im not sure which southbend clutch should I get. I do plan on going ot the track every once in a while but would mostly be doing street driving. would a stage 4 ss work or do I need something with more holding power.

k0mpresd
10-24-2006, 01:41 PM
4 or 5

have you thought about management, injectors, ect..??

audimanj
10-24-2006, 01:48 PM
plan on going with 034efi and 630cc not to sure on the injectors and what High imp or low imp are>>

94jedi
10-24-2006, 04:02 PM
^ I've got the SB SS stg5 and I love it. very stock like pedal feel.

The 034 is a great choice but remember, after the install you're going to need dyno time to get it dialed in properly. I'm running the Siemens Deka 630cc injectors and while I haven't tried any others, these work great. smooth idle, smooth power band. no complaints here.

mike-2ptzero
10-24-2006, 04:12 PM
Even a GT35r .63 ar is going to be too big for a 1.8, even the larger GT30's have a bit of lag on a 1.8.

With the GT35r .82 on my 2033cc I get 20psi right around 4600 rpm, add 500rpm for every 100cc so you might not see 20psi on a 1.8 till 5500 rpm. A guy here in LA used to race a 1.8 with a large GT30, he needed a 30-50 shot of nitrous to get it to spool up enough to get a good launch.

The GT2871r seems to be a good size turbo for the 1.8 or a small GT30 if you are looking to use anti-lag for launching at the drag races.

Don Supreme
10-24-2006, 04:56 PM
^I dont know Mike.... So you are saying that 200cc more will make the turbo spool 1000 RPMS sooner? hmmmmm

That sounds optimistic.

sean1.8t
10-24-2006, 06:08 PM
Originally posted by Don Supreme
^I dont know Mike.... So you are saying that 200cc more will make the turbo spool 1000 RPMS sooner? hmmmmm

That sounds optimistic.

ya i hate to go against a pro. but i would say every 500-750cc more will get a 1000 rpm sooner spoolup..

but i could be wrong

k0mpresd
10-24-2006, 06:13 PM
Originally posted by mike-2ptzero
Even a GT35r .63 ar is going to be too big for a 1.8, even the larger GT30's have a bit of lag on a 1.8.

With the GT35r .82 on my 2033cc I get 20psi right around 4600 rpm, add 500rpm for every 100cc so you might not see 20psi on a 1.8 till 5500 rpm. A guy here in LA used to race a 1.8 with a large GT30, he needed a 30-50 shot of nitrous to get it to spool up enough to get a good launch.

The GT2871r seems to be a good size turbo for the 1.8 or a small GT30 if you are looking to use anti-lag for launching at the drag races.
20psi @ 5500rpm?

sorry..but thats not accurate

http://forums.vwvortex.com/zerothread?id=2887487

BoostFrenzy
10-24-2006, 06:50 PM
terrible street turbo

k0mpresd
10-24-2006, 07:06 PM
Originally posted by BoostFrenzy
terrible street turbo
that depends on your definition of street turbo

i love my 30r..i think its an awesome street turbo [up]

and i dont need nitrous to spool it [;)]

BoostFrenzy
10-24-2006, 07:10 PM
a 30 might be ok, but gee i think i'd complain even with a gt30 .63 on a 2.5 !


Originally posted by k0mpresd
that depends on your definition of street turbo

i love my 30r..i think its an awesome street turbo [up]

and i dont need nitrous to spool it [;)]

mike-2ptzero
10-24-2006, 07:15 PM
Originally posted by Don Supreme
^I dont know Mike.... So you are saying that 200cc more will make the turbo spool 1000 RPMS sooner? hmmmmm

That sounds optimistic.


Ok, well seeing that I have a engine that is nearly 255cc larger then a stock 1.8 and only get 20psi at 4600. Do you really think a 1.8 is going to hit 20psi before that 5500 rpms?

BTW I am sorry but you are NOT going to make 400awhp on 93 octane even if you are using a 2 liter in your car. To just hit that mark I had to run 24psi on race gas, on 93 octane you will be closer to 330-350awhp.


k0mpresd - How many of those guys are running 1.8 liter longitude engines? How many A4 1.8t's are running GT35r's? Seems odd that guys here with a smaller turbo on a 1.8 seem to hit 20psi between 4500-5000 rpm but yet you think a GT35r is going to hit that boost level well before 5500?

k0mpresd
10-24-2006, 07:22 PM
youre right mike..as always...everyone else is wrong

and please explain to me again why if youre so all knowing..why dont you post in the 1.8t forum and put some of those people in their places?

ive read some of the threads (back in 04 i think)..i know why you dont get on vortex anymore

Don Supreme
10-24-2006, 07:29 PM
Mike....

You are also running a .82, most of those guys are running .63.

Hey and I want an apology if I do hit 400 AWHP on 93........ (no mention of how much PSI) after it is all said and done.

killa
10-24-2006, 07:51 PM
Where to start.....
First of all, the biggest GT30R turbo that there is isnt even that huge as one may think. It's the GT30R -14, aka GT3082R aka GT30/40R. Same turbo as a 35R but smallr 60mm turbine wheel instead of the 35's 68mm turbine.


It just puzzles me to read people talk about a 35R without even mentioning the turbine a/r [eek]

My GT35R hit full boost at 5k, that was with the .82, maybe mine was different because it was one of the first ones ever made??? [:)] NOT.

Gearing plays a major part on how laggy a turbo feels, my gti's gears are pretty tight and it makes the GT30/40R .82 feels like a 1.8t, I welcome anyone to come by for a spin if you're interested.

And you can make 400awhp on pump gas, larger turbo = more air at the same boost pressure so no need for higher octane fuel. Going with a large turbine combo will aid this since you're moving your torque up and as we all know hp=(tq x rpm )/ 5252

hth

P

killa
10-24-2006, 07:54 PM
For a 1781cc audi motor i'd go with a GT30/40R .63, i'll post some sheets when the time is due.
P

bitterchild
10-24-2006, 10:37 PM
a 30-13 should be able to make 400whp or very close to it on a reasonable octane. something like 100 should be enough.

I haven't really seen any good 3082 setups, doesn't seem like a good match from what I've seen.

Hit me up when you post up yours, I'd love to see them.

mike-2ptzero
10-25-2006, 05:45 AM
Originally posted by Don Supreme
Mike....

You are also running a .82, most of those guys are running .63.

Hey and I want an apology if I do hit 400 AWHP on 93........ (no mention of how much PSI) after it is all said and done.


I wish you luck hitting that then. I even have a EVO friend that is 2.3 liters running a GT35r .63 that runs 21-22psi on 91 octane and just hits the 400awhp mark. He also doesn't hit 20psi till 3600-3800 rpm with that .63 ar and his engine is .5 liters larger then the 1.8 in the A4.


As for those guys running .63 vs my .82, one of them did engine dyno testing of both and did not find much difference between the spool up time of the 2. Shouldn't be hard to find it on Vortex since it is the guy that made over 700 chp.


k0mpresd - I dont post on that forum because I cant stand the site and the Audi forums are slow as hell. This is pretty much the only site I post on daily, the other 2 I post on now/then is socaleuro and a titan site.

k0mpresd
10-25-2006, 06:34 AM
it was bobqzzi

716hp

http://forums.vwvortex.com/zerothread?id=2158671

this is a 30r dyno i believe...check out the difference in power under the curve between the 2 sheets [eek] ...very interesting thread

http://forums.vwvortex.com/zerothread?id=1950669

k0mpresd
10-25-2006, 06:39 AM
.5l larger than a 1.8...ok..so..for every 100cc add 500rpm spool

so thats 2500rpm plus spool time for a 1.8 over a 2.3

so w/ a 35r on a 1.8l youre saying it wont spool till 6100 @ the earliest (3600 (evo) +2500)

i thought it was 5500

??

and thats w/ a .63 housing

what magical secret do you use to get your .82 housing spoole on your 2.0?

that must be a heck of a shot of nitrous [rolleyes]

TomRitt18944
10-25-2006, 09:54 AM
The 35r would be fine in a 1.8 with the normal goods. That divided t3 flange is gonna lose u some spool time, but other than that, it would be fine with the proper supporting mods. I knwo plenty of ppl with this turbo, on 1.8's and other cars...

I've had bigger turbos on my car, and just because a turbo doesnt make full boost till 6k, doesnt mean its not going to be a fast 1/4mi car like some ppl were saying

Don Supreme
10-25-2006, 10:07 AM
Originally posted by TomRitt18944
The 35r would be fine in a 1.8 with the normal goods. That divided t3 flange is gonna lose u some spool time, but other than that, it would be fine with the proper supporting mods. I knwo plenty of ppl with this turbo, on 1.8's and other cars...

I've had bigger turbos on my car, and just because a turbo doesnt make full boost till 6k, doesnt mean its not going to be a fast 1/4mi car like some ppl were saying

Thank you for your real world input Tom.

Saturnine
10-25-2006, 10:33 AM
Reminds me of that Pikes peak car thats in GT3


Originally posted by Don Supreme
His problem is not lag, it is called FWD. He probably spins tires at full throttle before 80 running this turbo.

Video....
GT35r powered VW..
http://video.google.com/videoplay?docid=-8774835238748521071&q=gt35r
As you can see the tire spin is pretty bad.

mike-2ptzero
10-25-2006, 10:37 AM
Originally posted by k0mpresd
.5l larger than a 1.8...ok..so..for every 100cc add 500rpm spool

so thats 2500rpm plus spool time for a 1.8 over a 2.3

so w/ a 35r on a 1.8l youre saying it wont spool till 6100 @ the earliest (3600 (evo) +2500)

i thought it was 5500

??

and thats w/ a .63 housing

what magical secret do you use to get your .82 housing spoole on your 2.0?

that must be a heck of a shot of nitrous [rolleyes]

I was just trying to point out what to expect from a GT35r on a 1.8, if you want to prove a point why dont you just throw one on a 1.8 and show us all where it hits 20psi on pump gas. Have you found any 1.8t's running the GT35r's on anything else other then C16? Because fuel is going make a big difference on how the turbo spools up.

Have you dyno'd your car yet and if so do you have any dyno sheets to show?

BTW my friend with the evo only runs C16(117 octane) on his race program to get his GT35 .63 to spool up that quick while I only run 110 octane.

k0mpresd
10-25-2006, 10:41 AM
Originally posted by mike-2ptzero
if you want to prove a point why dont you just throw one on a 1.8 and show us all where it hits 20psi on pump gas. Have you found any 1.8t's running the GT35r's on anything else other then C16?
a 35r is next on the list since im running a gt3076r-13 now, larger inducer versus the -12 cartridge

and yes, i have..did you click on the thread? doubt it...

Originally posted by k0mpresd
http://forums.vwvortex.com/zerothread?id=2887487
we are also about to have 2 locals running 35r's on built motors, 02vw1.8t (pete) and junk t.i. (pat)

both are moving to nc


Originally posted by mike-2ptzero
Have you dyno'd your car yet and if so do you have any dyno sheets to show?
yes i have..they have been posted on this forum and vortex...if you were really interested in the info instead of trying to start a "my 2.0l makes more power than your car" pissing contest, you would have already seen them [;)]

i built my car...you paid to have yours built

mike-2ptzero
10-25-2006, 11:12 AM
Originally posted by k0mpresd
a 35r is next on the list since im running a gt3076r-13 now, larger inducer versus the -12 cartridge

and yes, i have..did you click on the thread? doubt it...

we are also about to have 2 locals running 35r's on built motors, 02vw1.8t (pete) and junk t.i. (pat)

both are moving to nc


yes i have..they have been posted on this forum and vortex...if you were really interested in the info instead of trying to start a "my 2.0l makes more power than your car" pissing contest, you would have already seen them [;)]

i built my car...you paid to have yours built


So your a automotive manufacture now? I didn't know you were AUDI[:p]



Where did I even try to start a "my car make more power" pissing contest, all I was asking is if we could see how your turbo setup spools up on your engine. Isn't that the point of seeing how different turbo setups work on our cars? Yes I did click on the link and did so again but what are you trying to point out. I dont see any dyno plots on it and only 1 person says "race gas" but yet doesn't say what octane.

Yes I had someone build my motor(over 4 years ago) since I was the first to have the audi 1.8 block built into a 2 liter. Yes I had someone make me a NEW equal length manifold(3 years ago) for the A4 since it had not been done yet and I don't weld or in the business of making manifolds. Some people have to "pay" to have new stuff done so "others" can do the same things later. [:p]

sk8rtilldie
10-25-2006, 11:14 AM
this is gonna get interesting..lol

sean1.8t
10-25-2006, 11:20 AM
haha^^

cant we all just get along? we're all here for the same reason. to make more power

k0mpresd
10-25-2006, 12:11 PM
Originally posted by mike-2ptzero
all I was asking is if we could see how your turbo setup spools up on your engine.
why didnt you just ask for a log of block 115 then? if thats *all* you wanted to see..thats a better indication of spool than a dyno sheet...115 shows absolute pressure

Originally posted by mike-2ptzero
Yes I did click on the link and did so again but what are you trying to point out. I dont see any dyno plots on it and only 1 person says "race gas" but yet doesn't say what octane.
your question was

Originally posted by mike-2ptzero
Have you found any 1.8t's running the GT35r's on anything else other then C16?
i replied yes, i have and posted a link that answered the question you asked..you didnt ask about dynos..you asked about ppl runnign 35r's on a 1.8t

arguing w/ you is like arguing w/a 5yr old..."but but but...." ..you never say what you "meant" [;)]

do you have any new points you want to argue?

Eurotuned_A4
10-25-2006, 12:15 PM
dont make me seperate you guys!!!

k0mpresd
10-25-2006, 12:18 PM
its so stupid...the guy changes what he "meant" every time he replies to one of my posts

Don Supreme
10-25-2006, 01:07 PM
Hey -- This is the only interesting thread on the B5 A4 forum today... Keep it up guys.

k0mpresd
10-25-2006, 01:12 PM
its keeping me entertained @ work :p

MR VTEC
10-25-2006, 01:18 PM
Originally posted by Don Supreme
Hey -- This is the only interesting thread on the B5 A4 forum today... Keep it up guys.
please don't guys then another (once purposely) thread will be locked.

94jedi
10-25-2006, 01:19 PM
I honestly prefer arguments about BT's to arguments about which side skirts fit with a certain bumper. So....yea keep it up lol!

MR VTEC
10-25-2006, 01:23 PM
kompressed i don't know why u are falling for mike's jedi mind tricks...
He knows how to get a rise outta you whipper snappers

k0mpresd
10-25-2006, 01:26 PM
Originally posted by MR VTEC
kompressed i don't know why u are falling for mike's jedi mind tricks...
He knows how to get a rise outta you whipper snappers

Originally posted by k0mpresd
its keeping me entertained @ work :p

b00st
10-25-2006, 01:47 PM
i'm enjoying this as well....pass the popcorn cuz this is getting good....its like the B6 forum. hopefully we can keep it more civilized and stick to a knowledgeable disagreement. instead of name calling and such.

mike-2ptzero
10-25-2006, 05:01 PM
Originally posted by k0mpresd
why didnt you just ask for a log of block 115 then? if thats *all* you wanted to see..thats a better indication of spool than a dyno sheet...115 shows absolute pressure

your question was

i replied yes, i have and posted a link that answered the question you asked..you didnt ask about dynos..you asked about ppl runnign 35r's on a 1.8t

arguing w/ you is like arguing w/a 5yr old..."but but but...." ..you never say what you "meant" [;)]

do you have any new points you want to argue?


Actually the tq curve will also show how the turbo spools up and where your peak boost is at.

Damn maybe you are the one that hasn't read your own link because the only person to post on that thread about what fuel they used put "race gas" and what do you think C16 is? The only thing on that thread that has anything to do with "Pump gas" on that thread is in someones sig which states

003 \X/ Silverstone GTI 1.8t *Now with a GT35R*

21psi + pump gas = 378 whp (On Revo BT)

and as you can see that is a FWD car not a quattro.


Maybe next time PROOF read your link before you post it up.

k0mpresd
10-25-2006, 05:15 PM
i still dont understand why youre still talking about race gas?

you asked have i found anyone running a 35r on a 1.8t w/ anything other than c16...i posted a link to a thread that has lots of ppl w/ real world experiences (pump gas) w/ a 35r on a 1.8t..anyone that can read can see that

next...??


Originally posted by mike-2ptzero
Actually the tq curve will also show how the turbo spools up and where your peak boost is at.
and um..duh...but 115 is more accurate..it shows the exact absolute pressure @ a given rpm

killa
10-25-2006, 08:06 PM
Originally posted by bitterchild
a 30-13 should be able to make 400whp or very close to it on a reasonable octane. something like 100 should be enough.

I haven't really seen any good 3082 setups, doesn't seem like a good match from what I've seen.

Hit me up when you post up yours, I'd love to see them.

The tuning just hasnt been there. I'll be more than happy to post the results when they're available.

k0mpresd
10-25-2006, 08:08 PM
a 3076r tune for a b5 would rock my world

94jedi
10-26-2006, 04:46 AM
Ian, Call CTapp. I'm serious. He'd wet his pants at the thought of tuning a 3076.

Don Supreme
10-26-2006, 05:05 AM
Does he do DBW though?

marcini
10-26-2006, 05:10 AM
I emailed him, and he said if you'll drive by, he would tune your car for you.

The thing is that he has 2 wheel dyno, so i'm assuming everytime he's tuning awd, he needs to disconnect the front axels.

Don Supreme
10-26-2006, 05:14 AM
removing the axels are not too difficult (I just installed one this weekend), but man that sounds like a hassle.

He is in Canada right?

94jedi
10-26-2006, 05:15 AM
Originally posted by Don Supreme
Does he do DBW though?

his website lists DBW years so I would assume so.

94jedi
10-26-2006, 05:16 AM
Originally posted by Don Supreme
removing the axels are not too difficult (I just installed one this weekend), but man that sounds like a hassle.

He is in Canada right?

yea Ottowa Ontario.

marcini
10-26-2006, 05:16 AM
^^^ Yup that's right, i just doube checked



Originally posted by Don Supreme
removing the axels are not too difficult (I just installed one this weekend), but man that sounds like a hassle.

He is in Canada right?

k0mpresd
10-26-2006, 06:13 AM
im not really interested in ctapp software

and you cant disconnect the axles and make the car 2wd

wasnt there just a thread about that topic?

marcini
10-26-2006, 07:01 AM
but that's how he tuned all the awd audis with the eliminators

k0mpresd
10-26-2006, 07:09 AM
[eek]

onemoremile
10-26-2006, 07:28 AM
the topic discussed changing the center differential to a full lock unit to make the car RWD. it doesn't seem like removing the front axles would work since the center diff is a torsen type. if one side can't put down any torque then it spins freely.

mike-2ptzero
10-26-2006, 08:27 AM
Originally posted by k0mpresd
i still dont understand why youre still talking about race gas?

you asked have i found anyone running a 35r on a 1.8t w/ anything other than c16...i posted a link to a thread that has lots of ppl w/ real world experiences (pump gas) w/ a 35r on a 1.8t..anyone that can read can see that

next...??


and um..duh...but 115 is more accurate..it shows the exact absolute pressure @ a given rpm


You mean 1 guy that shows what his #'s are on pump gas which is still not an audi A4. His FWD car made a whole 380 something hp on 93, thats around 340 awhp.

That is true about block 115 if you are running less then 22psi, but if you are runnig more it is useless.

mike-2ptzero
10-26-2006, 08:30 AM
Originally posted by onemoremile
the topic discussed changing the center differential to a full lock unit to make the car RWD. it doesn't seem like removing the front axles would work since the center diff is a torsen type. if one side can't put down any torque then it spins freely.


That would be correct. When I snapped the right front CV the car felt like it was out of gear and woudn't move an inch. I have also seen this happen to a few S4's.


ctapp uses a center diff that is fully welded so that he can throw it into a car that he is going to use on his dyno.

marcini
10-26-2006, 09:22 AM
Here's 2 videos for you guys, so you dont say that i'm making this shit up:

410rwhp (http://www.tappauto.com/images/picsvids/410whp%20pump%20gas%20dyno.wmv)

490rwhp (http://www.tappauto.com/images/picsvids/490whp%20high%20octane%20dyno.wmv)


FAQ from his site:

"Can you dyno tune my AWD car?
Currently we can convert Eagle Talon / Mitsubishi Eclipse from AWD to FWD for tuning. We can now also convert most Audi Quattro cars to RWD or FWD (depending on the model) for Dyno tuning. "

k0mpresd
10-26-2006, 11:04 AM
Originally posted by mike-2ptzero
You mean 1 guy that shows what his #'s are on pump gas which is still not an audi A4. His FWD car made a whole 380 something hp on 93, thats around 340 awhp.

That is true about block 115 if you are running less then 22psi, but if you are runnig more it is useless.
nobody in this thread asked for dyno sheets

you mentioned an engine that made over 700hp..i posted a link to the dyno and now youre stuck on c16/dyno sheets

you also mentioned that spool on a 35r is going to be ~5500 on a 1.8l

i posted a link to a thread that contains posts from more than 1 person that actually owned/drove a 1.8t w/ a 35r on the street..on pump gas..the 2nd post in the thread is from pete and he says 20+psi came @ 4600- 4700...and on top of all that it was on a stock long block

a lot of ppl that ask questions about turbos want real world answers

that vortex thread is a very informative thread about the 35r on a 1.8t

it talks about surging @ 20+ psi, "surge" vs anti-surge compressors, 1.8t w/ cams + 35r,...lots of useful real world information

k0mpresd
10-26-2006, 11:12 AM
another good one

i forgot about this one..it got bumped back to the top yesterday...of all days :p

http://forums.vwvortex.com/zerothread?id=2781802

k0mpresd
10-26-2006, 11:17 AM
http://forums.vwvortex.com/zerothread?id=2698530

look for petes post (02vw1.8t) [;)]

it must be on some super 150oct fuel..looks like its spooled well before 5500 :p

also axe_a4 ...looks like ~4600 or so its spooled

k0mpresd
10-26-2006, 11:37 AM
im interested to see what sort of response im going to get [:D] :p

mike-2ptzero
10-26-2006, 05:30 PM
Originally posted by k0mpresd
http://forums.vwvortex.com/zerothread?id=2698530

look for petes post (02vw1.8t) [;)]

it must be on some super 150oct fuel..looks like its spooled well before 5500 :p

also axe_a4 ...looks like ~4600 or so its spooled


Axe doesn't run a 1.8 liter, it says it is a 1.9 liter with WI. He is friends with lucas and even lucas runs a fully built 2 liter. Axe also doesn't hit full boost at 4600, he does have a nasty dip in his graph at 4700(usually a misfire or a big dip in adv timing), peaks again at 5k and then hits his max tq peak at 5400. I would have thought you knew how to read a dyno graph, but if you want I can ask lucas about the setup since I talk to him all the time.


Did you notice a bunch of the dyno runs of GT2871's and APR stage 3+ not hitting full boost till 4600 rpm on a 1.8?


This is a GT3071r on a 1.8 running 22.5psi but yet the peak tq doesn't hit till well after 5k rpm.
http://www.80tq.com/~wiz/gallery2/d/922-1/Audi4u+-+GT30+-+400whp.JPG

k0mpresd
10-26-2006, 07:38 PM
my peak torque wasnt until 5750 the last time i dyno'd...youre trying to tell me that my turbo wasnt spooled until 5750?

http://i22.photobucket.com/albums/b301/k0mpresd/dyno_sheet001.jpg

25psi right @ 5k...the graph shows 27..he says the gauge was showing 2psi lower

http://www.hostdub.com/albums/Quickgti18t/DSC00437.jpg

mike-2ptzero
10-26-2006, 11:18 PM
Well just look at the boost graph you can see that you hit a level before 5k but then still increases in the high rpms which is usually boost creep. Just look at the run which hits 25.5 psi, it doesn't hit that limit till 6800 rpm and he 27.21psi run doesn't hit that peak till 6k but you do hit 25psi on that run at 5k rpm since that is what you are requesting. Remove that boost creep and you will see a change in your tq curve.

k0mpresd
10-27-2006, 12:07 AM
thats my dyno

petes boost curve...notice i said "he"...its right underneath his dyno sheet in the dyno thread on vortex

my dyno was done @ ~19psi

i should have made it clearer..and that boost graph is of a 35r..not a 30r...25psi @ 5k on a 35r on a stock 1.8t small port long block ;)

my car does boost creep though...i can look @ 115 and tell that...i have a profec b (not sure if you saw my other thread or not) thats going in saturday probably replacing the mbc im currently using

k0mpresd
11-05-2006, 06:24 PM
bump

http://forums.vwvortex.com/zerothread?id=2914214

TomRitt18944
11-05-2006, 09:53 PM
damn full boost at 4200 on a 1.8 35r...drool i want that!

mike-2ptzero
11-05-2006, 09:57 PM
Originally posted by TomRitt18944
damn full boost at 4200 on a 1.8 35r...drool i want that!

You can, just drive in 5th gear all the time or push the Nitrous button. [;)]

maxspeed
11-05-2006, 10:10 PM
you know some people use nitrous for other things than driving fast right?

::falls backwards::

TomRitt18944
11-06-2006, 05:23 AM
Originally posted by mike-2ptzero
You can, just drive in 5th gear all the time or push the Nitrous button. [;)]

Lol, well i wouldnt expect 5th to be much different from 3rd and 4th. Plus that car is still untuned, and its a fwd mk2, so our heavy pigs would load it up a bit more which would only help spool time

bitterchild
11-06-2006, 01:47 PM
5th gear definetely loads up nicely on this gearbox, problem is sitting in semituned cells for far longer than they were tuned for. chitty chitty

TomRitt18944
11-06-2006, 04:20 PM
interpolation?