997 Turbo / GT2 2006–2012 Turbo discussion on the 997 model Porsche 911 Twin Turbo.
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997tt tip vs GTR

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Old Apr 26, 2009 | 08:37 PM
  #31  
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So how much additional HP does a midpipe add?
 
Old Apr 26, 2009 | 08:56 PM
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Originally Posted by Vic55
Greg my apologies since I didnt know that you uninstalled the cobb. I wasnt there at the race and shouldnt have assumed anything... nice win!!
Hey Vic, no need for an apologies... It's all good...
BTW, your GTR is insane and IMO you have the best sounding/looking GTR around.
I have the mod bug for my GTR and I'm still contemplating... Switzer P700 or GT570 from SP.... decisions.. decisions...

Gregory
 

Last edited by Greg-TT; Apr 26, 2009 at 09:10 PM.
Old Apr 26, 2009 | 09:02 PM
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hey vic, i have yet to see your GTR, i've seen the turbo and I just know it's being done right. can a 996TT join this run? a 3 car comparison... i'm on stock K16's with tune and exahust, so will be a great comparo run as well.
 
Old Apr 26, 2009 | 09:08 PM
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Originally Posted by jhuang25
hey vic, i have yet to see your GTR, i've seen the turbo and I just know it's being done right. can a 996TT join this run? a 3 car comparison... i'm on stock K16's with tune and exahust, so will be a great comparo run as well.
I raced my friends GTR with just a Cobb AP. That time my 996tt had just the EPL flash. I pulled on the GTR atleast 2 cars from 60 -120. As speeds got higher ...i started pulling away.

Let us know the outcome. Now with my k16/16g...the GTR was toast. Not even close esp after 100 i felt like he stopped.

Now my friends car has the HKS570...i am getting a Gt3071..will see. From a dig , i stand no chance agianst any GTR. They launch hard.
 
Old Apr 26, 2009 | 09:12 PM
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Originally Posted by bbywu
So how much additional HP does a midpipe add?
I was told that it would add about 15-20HP since it deletes the secondary cats.
 
Old Apr 26, 2009 | 09:15 PM
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Originally Posted by Greg-TT
I was told that it would add about 15-20HP since it deletes the secondary cats.
I'm just having some difficulty visualizing a 20WHP difference creating a 3-4 car difference in such a short run.
 
Old Apr 26, 2009 | 09:29 PM
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Originally Posted by vbmw335
I raced my friends GTR with just a Cobb AP. That time my 996tt had just the EPL flash. I pulled on the GTR atleast 2 cars from 60 -120. As speeds got higher ...i started pulling away.

Let us know the outcome. Now with my k16/16g...the GTR was toast. Not even close esp after 100 i felt like he stopped.

Now my friends car has the HKS570...i am getting a Gt3071..will see. From a dig , i stand no chance agianst any GTR. They launch hard.
was your race from a roll?
 
Old Apr 26, 2009 | 09:36 PM
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Originally Posted by jhuang25
was your race from a roll?
Yes from 60-130 ish. Dont go from the dig...the GTR will destroy you.

It also felt like the GTR falls flat after 100 for some reason.
 
Old Apr 26, 2009 | 10:46 PM
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Originally Posted by Greg-TT
Hey Vic, no need for an apologies... It's all good...
BTW, your GTR is insane and IMO you have the best sounding/looking GTR around.
I have the mod bug for my GTR and I'm still contemplating... Switzer P700 or GT570 from SP.... decisions.. decisions...

Gregory
Well the Switzer gets you more power Im sure but you have to ship it out versus going down the street to SP. For HKS installs in the OC, SP is the best hands down.


Originally Posted by jhuang25
hey vic, i have yet to see your GTR, i've seen the turbo and I just know it's being done right. can a 996TT join this run? a 3 car comparison... i'm on stock K16's with tune and exahust, so will be a great comparo run as well.
Absolutely, some early morning runs and then some beers
 
Old Apr 26, 2009 | 11:44 PM
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Originally Posted by Greg-TT
Hello Nico,

This is Gregory with the GTR. Just to clear up some misunderstanding about the run, the Cobb was uninstalled before the run so I could get an accurate comparison. I'm not interested in pissing competition and I sure didn't do the run to show GTR is faster than 997TT. I would've told you if I was running the Cobb . Like I said, I too was very surprised that the GTR with a mid-pipe was pulling away from 997TT . I seriously thought I uninstall the Cobb incorrectly or you're car wasn't making the power. Perhaps I should run with the Vic's 997TT to get some perspective. I haven't dynoed the car but my butt dyno tells me the car feels stronger with the mid-pipe and runs faster with mid-pipe and Cobb. Since we didn't have a chance to run with the Cobb, perhaps we can meet again to see how GTR with Cobb and mid-pipe stack up against stock 997TT. By the way, your TT is an awesome car and I will be picking one up in the near future once they come out with PDK.

Take care,
Gregory
Hey Greg, it was nice meeting you.

What can I say? Your car is a beast! No worries for the misunderstanding. I definitely want to see how much more you pull on me with the midpipe + cobb LOL. The 997 SHOULD be fine but I'm going to have it checked out sometime this week just in case. Problems or not, I'm pretty sure your GTR would still pull . I think next time we run though, I'm just going to leave it on drive and let it automatically shift. Not that it would change the outcome a whole lot but I think I would be able to hang on a little better.
 
Old Apr 27, 2009 | 08:27 AM
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I race both a GTR and a 997TT in my 86 Chevrolet truck with a 305 engine. Both of them beat me badly but I was uglier. The GTR almost beat me in ugliness, it was very very close--good thing I had those cool mudflaps!!!
 
Old Apr 27, 2009 | 08:45 AM
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Iam not surprised that lightly modded GTR won over a stock TT tip. Nissan aimed at 997TT when they built GTR. If race had gone beyond 130 it might have been closer. I think the TT needs a least a flash to reliably beat a stock GTR, since the cars are so close in hp and the quick shifting of the GTR offsets the weight difference.
 
Old Apr 27, 2009 | 09:03 AM
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Originally Posted by Nico
Hey Greg, it was nice meeting you.

What can I say? Your car is a beast! No worries for the misunderstanding. I definitely want to see how much more you pull on me with the midpipe + cobb LOL. The 997 SHOULD be fine but I'm going to have it checked out sometime this week just in case. Problems or not, I'm pretty sure your GTR would still pull . I think next time we run though, I'm just going to leave it on drive and let it automatically shift. Not that it would change the outcome a whole lot but I think I would be able to hang on a little better.
Yeah I would have left it in auto and then shifted to 2nd or whatever gear and let the tranny up shift- manually shifting with a 997TT tip is a waste IMHO. The reaction between human input and the tranny takes forever. Hit me up when you are in the Anaheim Hills or Irvine area so we can run.
 
Old Apr 27, 2009 | 12:16 PM
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I agree, paddles in true autos (meaning non sequential) are useless.
 
Old Apr 27, 2009 | 12:28 PM
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The old saying is anything can happen on the street, that being said everything I have heard or seen has the 997 Turbo inching away above 100 mph and starting to pull ahead over 120 mph.
 


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