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2.3 stroker, .040 over pistons, GT35?

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Old Apr 28, 2005 | 09:48 AM
  #31  
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From: 41° 59' N, 87° 54' W
Originally Posted by MBGSTI
...
BTW Ludi, You should also set aside $$ for some driveline upgrades.
Yep, price of clutch is already included in my budget. working on getting enough funds to have a tranny rebuild as well. I want a stronger TC and higher 4th/5th gear...

l8r)
Old Apr 28, 2005 | 01:08 PM
  #32  
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sorry for the late response Tom. The GT35R on a built 2.0 still spools up pretty damn quick. we hit 20 psi by about 4100 rpm. With A 2.3 its just disgusting how fast it all kicks on. I talked to you earlier today. if anyone else has any other questions please feel free to post here

Eric
Old Apr 28, 2005 | 01:17 PM
  #33  
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I think 2.3 is nice with GT30 turbo 3071, 3037 and 3052....

Can you imagine how good the spool will be



Tom, sit in the corner and ask yourself what you want!!! You want a drag queen or a fast track car?
Old Apr 28, 2005 | 01:17 PM
  #34  
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Originally Posted by AutoMotoSports
sorry for the late response Tom. The GT35R on a built 2.0 still spools up pretty damn quick. we hit 20 psi by about 4100 rpm. With A 2.3 its just disgusting how fast it all kicks on. I talked to you earlier today. if anyone else has any other questions please feel free to post here

Eric
1) When you say it hits 20 psi by 4100 rpm, that is in a high gear, correct? b/c our stocker doesn't spool until about that rpm in the lower gears.

2) what about the lag that happens (when you're already in the proper RPM range) from the time you WOT and the time it reaches 20 psi. ?

3) does a built motor with the same displacement spool the turbo faster? and why?
Old Apr 28, 2005 | 01:19 PM
  #35  
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Originally Posted by AutoMotoSports
sorry for the late response Tom. The GT35R on a built 2.0 still spools up pretty damn quick. we hit 20 psi by about 4100 rpm. With A 2.3 its just disgusting how fast it all kicks on. I talked to you earlier today. if anyone else has any other questions please feel free to post here

Eric

Do you think a GT30 with 63 a/r will surge with 2.3?

thanks
Old Apr 28, 2005 | 01:22 PM
  #36  
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Hey ams I been thinking latley and researching and decided that im going with your ams turbo with gt35r turbo upgrade and doing the 2.3l stroker kit and im also going to need a stage 2 head can you give me a price with labor and how long would this take since im not in your area im in florida Thanks i appreciate it take care bud.
Old Apr 28, 2005 | 01:28 PM
  #37  
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Originally Posted by Az3ar
I think 2.3 is nice with GT30 turbo 3071, 3037 and 3052....

Can you imagine how good the spool will be



Tom, sit in the corner and ask yourself what you want!!! You want a drag queen or a fast track car?

everyone keeps saying this but the shop evo will be tackling one lap in two days with just that............a 2.3 and a GT35R. That setup is FAR! from a drag only setup.

durring a practice round here it made its way onto the track with a former one lap truck that one its class. good ol jon ran him down. So think twice before you consider the GT35R a drag only turbo.

Eric

Last edited by AutoMotoSports; Apr 28, 2005 at 01:31 PM.
Old Apr 28, 2005 | 01:35 PM
  #38  
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Originally Posted by AutoMotoSports
everyone keeps saying this but the shop evo will be tackling one lap in two days with just that............a 2.3 and a GT35R. That setup is FAR! from a drag only setup.

durring a practice round here it made its way onto the track with a former one lap truck that one its class. good ol jon ran him down. So think twice before you consider the GT35R a drag only turbo.

Eric

. . . and Vishnu ran the gt35 in One Lap on a 2.0-liter . . . and did ok. But their driver was a pro. I think what most people are worried about is how much more difficult it will be to track a car with such a large turbo, not whether it is simply possible or not.
Old Apr 28, 2005 | 01:37 PM
  #39  
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Originally Posted by Drews_WRX
IIRC- not too long agao, you just wanted a car that could do 11.9's consistently.....now, you want 11.0 . haha, its cool, I was happy with 13.8, now I want 12.7.
Thats Not bad. Im @ 12.5 but I want 10.9!!!!
Old Apr 28, 2005 | 01:38 PM
  #40  
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you really need to get behind the wheel of a 2.3 gt35R car to know

the thing is in full boost by 36-3800 rpm.

Eric
Old Apr 28, 2005 | 01:39 PM
  #41  
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what about 2.3 gt30 and surging?
Old Apr 28, 2005 | 01:40 PM
  #42  
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we ran that setup at Talledega and didnt have one problem with surging at all.

what boost controller is being used and what GT30R kit? they are all different animals

Eric
Old Apr 28, 2005 | 01:48 PM
  #43  
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you guys sell the built engine as a package right? I woudln't want to deal with swapping and core charges . . .

also, if you DO sell the fully built engine . . . do you guys have a way of testing them out before its put into the car?
Old Apr 28, 2005 | 02:27 PM
  #44  
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From: 41° 59' N, 87° 54' W
Originally Posted by AutoMotoSports
... if anyone else has any other questions please feel free to post here

Eric
Alright, here's my first stab at listing all of the question I have. I'm trying to narrow down what I am going to be saving up for.

-------------------------------

First off, what's the opinion on a GT35 kit on a built 2 liter vs a GT35 on a 2.3 stroker?

The way I look at it, on a built 2 liter, I should have a 8500 (maybe 9000) rpm redline, which gives me a powerband from ~4500-8500+, whereas the 2.3l should do, what, maybe 3500-7500? Any thoughts? I know you guys at AMS have run both, so any thoughts/opinions would be greatly appreciated.

-------------------------------

Now, on to specific questions (I know some of them may seem basic, but please bear with me):

On the AMS site it lists the 2.3L stroker kit for $2K, then you list the built 2.0L with a $600 option for a 2.3L crank, what is the difference here?

If I want to build a high-rpm (is 9K redline doable?) 2.0L GT35 based road racer, which components do I need (esp. which pistons, crankshaft and rods?)

Lastly, I'm thinking of going with the Exedy Twin clutch ... is this enough for this setup?

So to sum it up, I'm shooting for:
built 2.0L (unless I'm convinced otherwise)
ported head
HKS 280 cams
880c injectors
Ported intake manifold and 65mm throttle body (from Buschur)
HKS ignition
AMS IC and IC piping
AMS GT35 kit

I currently run a Vishnu stage 1+ and would like to keep the Vishnu signature exhaust as well as the XEDE engine management. I assume that all of this is doable, but any opinions and feedback and suggestions would be greatly appreciated (what's this I hear about 2.1L?). The transmission and suspension will be addressed at a later date...

l8r)

Last edited by Ludikraut; Apr 28, 2005 at 02:41 PM.
Old Apr 28, 2005 | 02:28 PM
  #45  
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Originally Posted by MBGSTI
Don't be a fool smog....
A 2.3 stroker and a 35= Laggy drag racing setup ( ONE trick Wonder) and a Divorce when the wife finds out.

The car won't as streetable, and i think you may have EM problems.

Remember all the problems A few of people had with BIG turboe'd EVO's

Many guys speak here from their butts, but this comes from seein my older brothers GT35R EVO.
And from spending a ton on my 10 second project.....along with the fact that it takes months to make such a car.

Go with a simple biuld 2.0 or 2.1, with a 30R with a .82 housing.

Good luck, Tom
I'm in the process of building a "one trick wonder", aka a 2.3 stroker with a GT35R. I'm not sure I understand why a stroker with a GT35 is much more difficult to build than a straight 2.0 with a GT30R. There are engineering considerations that need to be taken but the basic steps to building the motor are the same.

Additionally, if I hate the turbo lag, I'll sell it and drop in a GT30XX. What's additional net $700-$800 on top of the $15K spent so far?

As far as my wife divorcing me, I keep her very, very happy. Besides she's happier with me spending the money on my project than on gambling, strippers and hookers in Vegas as some would do.


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