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

Gt700 kit

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Old Mar 8, 2006 | 01:10 AM
  #31  
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Must be gt25r on the 640 & 700 then. I'm using the same turbos as on my 640 kit. Upgraded fueling, intake and ECU to get to 700.
 
Old Mar 8, 2006 | 01:16 AM
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maybe ur right....
 
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2001 996TT 3.6L and stock ECU
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Old Mar 8, 2006 | 01:21 AM
  #33  
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Do a little reading and you can figure the turbo's out.

www.turbobygarrett.com
 
Old Mar 8, 2006 | 01:42 AM
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Originally Posted by jags911tt
Thanks gang. What does the Larger TB and modified ypipe do if anything?
More air to the engine. You need to modify the fuel system to keep up with the additional air.

Craig
 
Old Mar 8, 2006 | 01:44 AM
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Originally Posted by jags911tt
Also - other than different software, enigine rebuild, and turbos, is there anything else added to the gt750 and 800 from the gt700?
Yes! Visit evoms.com for details. The GT750 and 800 packages include different turbos, upgraded fuel system, internal engine work, and more!

Craig
 
Old Mar 8, 2006 | 01:45 AM
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Originally Posted by Zippy
Markski - Are the GT640/700 turbos = to GT30R Garrets?
No. The GT640 and 700 packages do not use the GT30R turbos found in the GT800.

Craig
 
Old Mar 8, 2006 | 01:46 AM
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Originally Posted by willcoxmd
craig,
I'm so glad you are on this forum. Your pure enthusiasm for the pursuit of horsepower and speed is a true inspiration to me. Keep up the good work my friend!

tw
Thank you for the kind words TW. We have a great community here.

Craig
 
Old Mar 8, 2006 | 01:49 AM
  #38  
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Originally Posted by Zippy
Must be gt25r on the 640 & 700 then. I'm using the same turbos as on my 640 kit. Upgraded fueling, intake and ECU to get to 700.
I *thought* the 640/700 package used a kkk based turbo, but Im not sure.

Craig
 
Old Mar 8, 2006 | 02:02 AM
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Chad: The 640/700 turbos look like they could be a GT2871R - 472560 - 15 or perhaps a GT2871R - 743347- 1 based unit. Both indicate a twin turbo application up to 720 HP. The GT30 series indicate twin turbo application up to 950hp. Im assuming this means the GT30 turbos would be used for the GT750 - GT900 EVOMS packages. For your application Chad, it appears that a GT37 or GT40 makes the most sense?
 
Old Mar 8, 2006 | 02:06 AM
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Originally Posted by Craig
I *thought* the 640/700 package used a kkk based turbo, but Im not sure.

Craig
They sure do, but with Garret internals. I assumed the 750+ kits also used KKK shells with Garret internals. Are you saying they are not a KKK based?
 
Old Mar 8, 2006 | 02:13 AM
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they are kkk based since ur headers fit directly and the exhaust....
 
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2001 996TT 3.6L and stock ECU
9.66
seconds @ 147.76 mph 1/4 mile
click to view
160 mph @ 9.77 seconds in 1/4 mile click to view
50% OFF ON PORSCHE ECU TUNING BLACK FRIDAY SPECIAL




Old Mar 8, 2006 | 02:16 AM
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Mkaes sense.
 
Old Mar 8, 2006 | 02:18 AM
  #43  
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i think they use something like a k27 housing....
 
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2001 996TT 3.6L and stock ECU
9.66
seconds @ 147.76 mph 1/4 mile
click to view
160 mph @ 9.77 seconds in 1/4 mile click to view
50% OFF ON PORSCHE ECU TUNING BLACK FRIDAY SPECIAL




Old Mar 8, 2006 | 02:21 AM
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If I could read those maps on the garret web site better, I'm sure I would be able to interperet the lag differential.
 
Old Mar 8, 2006 | 10:36 AM
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the gt640 and gt700 uses the same turbos
 


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