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997 2005-2012 911 C2, C2S, C4, C4S, GTS, Targa and Cabriolet Model Discussion.
View Poll Results: How Many Times Have You Tracked Your 997?
Never
40
50.00%
1 to 5 track days
19
23.75%
6 to 20 track days
12
15.00%
21 to 50 track days
6
7.50%
Over 50 track days
3
3.75%
Voters: 80. You may not vote on this poll

How Much Have You Tracked Your 997?

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  #76  
Old 06-07-2012, 08:05 PM
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Originally Posted by KonaKai
Depends on the 997 model but those are pressures for a full load (2 passengers plus some luggage). Driver in the car alone is a few psi less (it's somewhere in the driver's manual).
You're right: http://www.porscheownersmanuals.com/...-pressure-tire

I have an S with 19" wheels, so the 37/44 fully loaded drops to 34/40 partially loaded.

I think I'll run 34/40 cold for normal driving, and maybe try dropping to 32/36 cold for the track?
 
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  #77  
Old 06-07-2012, 09:18 PM
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Originally Posted by Manifold
l driving, and maybe try dropping to 32/36 cold for the track?
Best method at track is to keep tire temp log for each session and adjust as needed. I found 29/34 to usually be the sweet spot for the Targa. We'll see where 991 comes out at its first even in a couple weeks.
 
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