Tire pressure question...
#16
I realize all of this, however the dealer set the pressures for me and so far so good. If I am not mistaken I just read in Excellence Magazine something about a GT3 recommended pressures being the same as I am running. I could be wrong as I don't have the magazine with me right now. I rarely exceed 160kms./hr. on the highways.
Mine is a 094SCab.
Mine is a 094SCab.
My 09 C4S cab pressures are 37F, 44R.
My 11 GT3 pressures are 29F, 31R.
#17
At the track on a spring day I start out at 26/28
#18
Also... why do people buy a sports car and then drop tire pressures so the thing runs like molasses?
#19
At the track we run lower pressures for better traction. When most tires get above 40 psi in general they get slippery. I can tell at the track a 1-2psi difference. When my R888's get above 38 PSI they lose grip. they really like to be run at 35-37psi hot. My RA1's liked about 1-2psi more but there side wall was softer than R888's.
Porsche uses these higher PSI levels mostly for better fuel mileage. Also on the street a higher psi will help protect the rims on these skinny 19" side wall tires. The higher inflation doesn't have anything to do with tire performance grip. However at stock alignment setting and running a street tire the higher pressure does help the front tires from rolling over on the sidewall. The stock alignment setting are designed for people that do not know anything about performance driving.
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