Tire Pressures for AutoX

axio · 11-14-2011, 05:30 PM

your temps, is that measured hot or cold? I'm going on my first track event in a month and would like to know... I'm running stock tires on sport package rims as well.

also, wstar, good tips on the infrared thermometer to check temps on the edges vs the middle, i'll have to bring mine along!

wstar · 11-14-2011, 07:00 PM

Probably the guys talking about high 30's to low 40's are talking about hot temps. Cold temps would be significantly lower, and are also less consistent to adjust by. You're better off making your adjustments right after you come off the track: check temps or chalk wear indicators, check pressure differentials, and even out the pressures while hot, dropping or adding a few PSI as necc to get the best use of the tire surface by temperature/chalk.

11-14-2011, 07:00 PM	#2 (permalink)
wstar A True Z Fanatic Join Date: Mar 2009 Location: Houston, TX Posts: 4,024 Drives: too slow Rep Power: 3595	Probably the guys talking about high 30's to low 40's are talking about hot temps. Cold temps would be significantly lower, and are also less consistent to adjust by. You're better off making your adjustments right after you come off the track: check temps or chalk wear indicators, check pressure differentials, and even out the pressures while hot, dropping or adding a few PSI as necc to get the best use of the tire surface by temperature/chalk. __________________ 7AT Track Car! Journal thread / Car setup details

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11-14-2011, 05:30 PM	#1 (permalink)
axio Enthusiast Member Join Date: Jan 2009 Location: SF Bay Area, CA Posts: 271 Drives: '09 370Z Rep Power: 17	your temps, is that measured hot or cold? I'm going on my first track event in a month and would like to know... I'm running stock tires on sport package rims as well. also, wstar, good tips on the infrared thermometer to check temps on the edges vs the middle, i'll have to bring mine along!