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

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Old Dec 16, 2010 | 12:56 PM
  #46  
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Originally Posted by AlphaDog28
I have some upgrading to do before she breaks into the 5's. I am on stock intercoolers and 300 cell cats, so those need to go and I need a race gas tune. Then maybe into the 5's.
What boost are you running and at what rpm do you hit max boost?IF YOU DONT MIND.
Thank you
 
Old Dec 16, 2010 | 01:21 PM
  #47  
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Originally Posted by autodynamics
What boost are you running and at what rpm do you hit max boost?IF YOU DONT MIND.
Thank you
1.4 bar and my torque peaks around 3800 so full boost around 33-3400rpms?
 
Old Dec 16, 2010 | 01:43 PM
  #48  
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Originally Posted by AlphaDog28
1.4 bar and my torque peaks around 3800 so full boost around 33-3400rpms?
huh?????? I thought you said you hit peak torque 300-400 quicker than I do....i hit peak at tq like 3500 RPM on low boost (19PSI) and 3950 on high boost (25 PSI)....

why don't you just post your dyno lol
 
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Old Dec 16, 2010 | 02:48 PM
  #49  
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Originally Posted by bad107
huh?????? I thought you said you hit peak torque 300-400 quicker than I do....i hit peak at tq like 3500 RPM on low boost (19PSI) and 3950 on high boost (25 PSI)....

why don't you just post your dyno lol
Your peak tq is around 4k on the sheet you posted. I would post the sheet, but my scanner is broken.

Maybe I can snap a picture with my camera. Keep in mind it is from a 98 degree day.
 
Old Dec 16, 2010 | 02:50 PM
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Originally Posted by AlphaDog28
Your peak tq is around 4k on the sheet you posted. I would post the sheet, but my scanner is broken.

Maybe I can snap a picture with my camera. Keep in mind it is from a 98 degree day.
yup, but thats at 1.7 bar! On low boost, its 3500 (on the sheet I posted).

Maybe my intake isn't too bad....
 
Old Dec 16, 2010 | 02:55 PM
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Originally Posted by bad107
yup, but thats at 1.7 bar! On low boost, its 3500 (on the sheet I posted).

Maybe my intake isn't too bad....
That sounds much better...
 
Old Dec 16, 2010 | 03:20 PM
  #52  
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How would more boost cause your torque to shift 500 RPM? At least on my turbos my boost basically just goes up just as fast at 17psi and 27psi.

Dyno at 24psi peak (IIRC)


Dyno at 27psi peak on stock DME with EPL tune


Dyno at 27psi peak with Standalone


Unless your turbos act differently I don't see how more boost would cause a shift in peak torque.
 
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