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Old 05-10-2004, 10:33 PM   #9
TyrannoSullyRex
Scooby Guru
 
Member#: 8891
Join Date: Aug 2001
Chapter/Region: International
Location: Houston, TX
Vehicle:
2002 WRX Silver
'02 SV650

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yep not moisture, just the good ole PV=nRT, nitrogen (a major component of breathable air, ~70%) is more temperature stable than oxygen (IIRC).


Do a few laps, your tires will heat up to operating temp and then adjust pressures. They will stay (or at least stay close) to that pressure when the tires are hot for subsequent laps.
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