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Old 09-19-2012, 12:15 PM   #11
JOHNSONROD

 
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Drives: 62 Chevy & 2021 1SS/1LE manual
Join Date: Aug 2010
Location: Kentucky
Posts: 893
yeah as the day warms up and you get back to your parking spot and get out a pressure gauge it will show some change. it doesnt change during the run enough to make any difference at all. your right that it will climb over the day so a good tip from that point would be to check them before each run once you learn what you like.
the main thing is check them often to see what you have and then you are learning what your car/tires like. another reason they say to run them higher by a few pounds on the autocross is because lower pressure with those tight turns could damage the sidewall or roll a tire off the rim even at extremes.
for a first time the main thing is like the other guy said, dont get trick with it, just take you time and learn. shoot the bull with other guys and just get some seat time. its way easier than i thought it was going to be. i still like the tracks much better, but its cheap and fun.
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