Quote:
Originally Posted by Creeper
Ok I have a 2006 chevrolet optra and the tires are rated at 44psi I have them at 50 how do I tell the strength of the side wall to over inflate them and improve economy? I'm also wondering if I should inflate the tires cold (I have a pump strong enough to do it) or hot? Due to the fact that as air rises in tem so dose the presure. I'm hoping to build a gril block for the winter to help the engin warm up.
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You didn't tell us what the vehicle tire placard says for pressure. That might affect the answers that you get.