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Old 06-30-2010, 02:44 PM   #11 (permalink)
ZBW39
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Join Date: Apr 2010
Location: San Francisco
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anybody check their tire pressure when tires gets warm?
I've noticed my tire pressure increases 2-3 psi after aggressive driving. So I had my tires at the 35 PSI recommended pressure at night, then after some driving it goes up to 38psi.

I was told that the air you fill in to the tire has part oxygen and oxygen expand with increasing temperature. That's why some people fill their tires with only nitrogen?
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