996 Turbo / GT2 Turbo discussion on previous model 2000-2005 Porsche 911 Twin Turbo and 911 GT2.

Predictions: tiptronic GT28"alpha" vs 6-speed K24/18g

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Old Jun 4, 2009 | 07:45 PM
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Predictions: tiptronic GT28"alpha" vs 6-speed K24/18g

What are you predictions on this race:

My car is making 535awhp and 606lb/ft on EPL's mustang dyno with injectors, GT28 "alpha" turbos, and meth/93octane My car is a 01 tiptronic.

Vs

My friends 996 with K24/18g turbos and 5lb regulator with race gas made 497awhp/540tq on a dyno dynamics dyno. His is an 03 with 6-speed. Very good driver.

Both cars EPL tuned.

I know the tip has more drive line loss I have heard anyware from 27%-35%. Does anyone have more solid #s?

Probably racing from ~40 to 140mph. So what do you guys think?
 

Last edited by 007-911; Jun 4, 2009 at 07:48 PM.
Old Jun 4, 2009 | 07:52 PM
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Check out the results on post 133. The cars were dead even ...

Few corrections here...I ran dyno on 93 octane pump gas with no meth ,coke or other substances and my max boost was 1 bar. I will have a 1.2 bar file next week if my injector duty cycle permits.


Dynodynamics reads 7-10% lower power than a Mustang dyno. Peak #'s mean nothing , in a roll race its the area under curve that counts and I think you should have more power under curve with higher boost (>1.2 and more fuel, more airflow from bigger compressor).
 

Last edited by vbmw335; Jun 17, 2009 at 11:03 PM.
Old Jun 4, 2009 | 08:01 PM
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My bet is the alpha car...as long as that Tip holds out...
 
Old Jun 4, 2009 | 08:08 PM
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As a comparison, my car with EPL tune and race gas at 1.27 bar made 550 AWHP and 610 torque on Tony's dyno. I have dual fuel pumps, injectors, 75mm TB, Y-pipe, etc. I think with these mods it could be close, but without injectors, etc. - probably alpha car...
 
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Old Jun 4, 2009 | 08:15 PM
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Originally Posted by ttboost
My bet is the alpha car...as long as that Tip holds out...
I agree if i am on 1bar file. The outcome could change if i run 1.2 bar file next week but a win is a win even if he beat me by half car.
 

Last edited by vbmw335; Jun 4, 2009 at 08:17 PM.
Old Jun 4, 2009 | 08:24 PM
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Originally Posted by vbmw335
I agree if i am on 1bar file. The outcome could change if i run 1.2 bar file next week but a win is a win even if he beat me by half car.
If you miss a shift, you're all done...he won't
 
Old Jun 4, 2009 | 08:28 PM
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Originally Posted by ttboost
If you miss a shift, you're all done...he won't
Missing a shift and losing a race is better than a broken tranny....how about towing a car with a broken tranny home. and plunking 10k .He has no upgraded TQ Conv.. you saw what happened to blackhorse with much lesser tq on a stock tranny..j/k i know the tranny death wont be instant...over time it may.

Either way i think he will pull on me....its simple. he has more HP and TQ faster spool higher boost , more fuel, more octane etc..
 

Last edited by vbmw335; Jun 4, 2009 at 08:47 PM.
Old Jun 4, 2009 | 08:29 PM
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i cant wait to hear results... might give me a direction to go with my project TQ conv. is only helpful when power braking it .. evoms TQ conv. gives higher stall speed.. correct?
 

Last edited by boca996tt; Jun 4, 2009 at 08:31 PM.
Old Jun 4, 2009 | 08:41 PM
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Originally Posted by 007-911
What are you predictions on this race:

My car is making 535awhp and 606lb/ft on EPL's mustang dyno with injectors, GT28 "alpha" turbos, and meth/93octane My car is a 01 tiptronic.

Vs

My friends 996 with K24/18g turbos and 5lb regulator with race gas made 497awhp/540tq on a dyno dynamics dyno. His is an 03 with 6-speed. Very good driver.

Both cars EPL tuned.

I know the tip has more drive line loss I have heard anyware from 27%-35%. Does anyone have more solid #s?

Probably racing from ~40 to 140mph. So what do you guys think?

is there money or pink slips on the line? is the winner going to change his car set up to the other guys? well then different trannies and drivers so doesnt mean much. at least switch cars and repeat the event so we have something to talk about
 
Old Jun 4, 2009 | 08:45 PM
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Tom,
No money its all for fun. Plus cars are setup differently for anyone to make turbo decisions. One has meth injection, bigger turbos, injectors and the other has 5 bar fpr , 18g turbos and 1 bar tune.
 
Old Jun 4, 2009 | 09:19 PM
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Originally Posted by vbmw335
Tom,
No money its all for fun. Plus cars are setup differently for anyone to make turbo decisions. One has meth injection, bigger turbos, injectors and the other has 5 bar fpr , 18g turbos and 1 bar tune.

ok then I bet on you. some tips run 1.2 bar and 100 octane dont let me down!
 
Old Jun 4, 2009 | 09:24 PM
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Alpha car is going to murder the other
 
Old Jun 4, 2009 | 09:40 PM
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Originally Posted by TiALSport
Alpha car is going to murder the other
I bet you ..the Tial tiptronic car will be murdered if the k24/18g car has custom tune,meth injection and injectors and runs 1.3 bar..Just trying to play fair here.

this will be a good and fair game if he raced ttboost's car..that has similar setup and its 6 speed.
 

Last edited by vbmw335; Jun 4, 2009 at 10:37 PM.
Old Jun 4, 2009 | 10:17 PM
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Okay so V and I talked about it. He brought up a good point. His car has a 5 bar, no meth injection, no injector upgrades, and he's running only a 1 bar file. So the conclusion is this. I should easly be able to pull 3 cars on him. Honestly if after spending the premium of my set up over his im not able to walk away then I will be disappointed. Im not trying to do this to bash his car or start a flame war. Im doing this for fun and to see if paying the extra funds for the GT28's, meth injection, and a custom tune is really worth it. I think it will be interesting to watch.

Vince
 

Last edited by 007-911; Jun 4, 2009 at 10:38 PM.
Old Jun 4, 2009 | 11:09 PM
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Vince,

When are you getting your car back?
 
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