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Tire Pressure Question

Joined
Mar 7, 2009
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Location
Alamogordo NM
I have a question on the TP subject. On bias ply tires it was a rule of thumb that "proper" TP would result in a 10% increase in TP from cool to fully warmed. Do radial tires have the same dynamic of a 10% increase from cool to warmed.
I have been unable to find this info and am curious.

Smoky
 
a standard rule of thumb with radials is 10*f =1 psi

so if tire temperature (and in turn the air in said tire) rises 20*f the pressure in the tire will rise 2 psi.
 
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