997 Turbo / GT2 2006–2012 Turbo discussion on the 997 model Porsche 911 Twin Turbo.
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Rented the Dragstrip for my cars.

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Old Nov 25, 2008 | 08:37 PM
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Rented the Dragstrip for my cars.

The Turbo is a new Tiptronic w/500 miles. Launching the car either power brake or just stabbing the throttle resulted in what seemed like seconds before the boost came on and then the car would take off to a 12.06@119, like three times in a row. I could not bring the boost up no matter how much I tried

Im guessing Porsches are not like other Turbo cars I have had.

Does tuning take care of this problem?

Here are a few pics.

The other cars ran good

GT500 10.51@132
Vette/Vert 12.19@115
E55 12.27@114
135i 12.31@114

Thanks,
Jason



 
Old Nov 25, 2008 | 10:05 PM
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wow, the Mustang and 135 are impressive!
What's done to the 135?

As far as the Porsche, I have alot of seat time in a tip - they are able to get into boost by powerbraking, I'm not sure why yours isn't. did you make sure it was in 1st gear? My best run was around 11.5 in a bone stock tip.
 
Old Nov 25, 2008 | 10:20 PM
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Great photos - looks like a fun day .

1) I've never driven a Tip but the stock Turbo has some lag and needs a bit more than 1/4 mile . I find a 45 MPH roll is the sweet spot . Also if humidity is high it's not good .

2) The basic ECU flash /exaust /headers/ intercoolers will knock out the lag significantly .

3) The real jump comes at 700 . It's all out face smearing acceleration . Again I'm not sure of how the Tip deals with this . The manual is tricky though --especially at 700 because the stage three clutch combined with the power assist feature takes time to buiild confidence on a launch and it's very easy to get left standing with improper engagement.
 
Old Nov 25, 2008 | 10:44 PM
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Originally Posted by 360Forged
wow, the Mustang and 135 are impressive!
What's done to the 135?

As far as the Porsche, I have alot of seat time in a tip - they are able to get into boost by powerbraking, I'm not sure why yours isn't. did you make sure it was in 1st gear? My best run was around 11.5 in a bone stock tip.
Thanks,

The 135i is a badass little car.

Mods:
JB3 Tune & Drag Radials, that is all....

I love that car.

Jason
 
Old Nov 26, 2008 | 08:51 AM
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Great time for the 135i.
 
Old Nov 26, 2008 | 10:26 AM
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What rpm did you try launching at when you were power braking?

Aaron
 
Old Nov 26, 2008 | 01:25 PM
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Nice post...cool hardware.
 
Old Nov 26, 2008 | 09:24 PM
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Originally Posted by acicchelli
What rpm did you try launching at when you were power braking?

Aaron
I just held the brake down, and tried giving it gas to bring up the boost for launch, like in an old turbo GN I used to run. When I let off, it would still seem like a bit down the track before the car would take off.....

 
Old Nov 27, 2008 | 07:31 AM
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you need to turn PSM off to get a better launch without bog. I think the traction control is killing your e-throttle

And the 135- WOW!
 
Old Nov 27, 2008 | 07:37 AM
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I want to go the next time you rent the track
 
Old Nov 28, 2008 | 08:34 AM
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Traction control was off...

Also I will make a post for the next rental when I go if anyone wants in. It is $212 per car. One lane, prepped good, also paramedic.

Jason
 
Old Nov 28, 2008 | 09:15 AM
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Holy crap at the 135.

Little 335 killer!

Awesome stuff, thanks for posting!
 
Old Nov 28, 2008 | 09:49 AM
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Good stuff!

Crazy little 335, and the GT500! Nice!
 
Old Nov 29, 2008 | 09:56 PM
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Looks like lots of fun
 
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