Quote:
Originally Posted by 1stpik
It won't hurt mpg at all, as long as you inflate them beyond the maximum pressure rating.
Of course, you'll blow out a tire, likely damage your car, and possibly die in a collision. But you can print on your gravestone, "I was beating the EPA numbers!"
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What do you define as max pressure rating?
Summer tires usually have stiffer sidewalls for cornering... so they can
hold up higher pressure.. I'm thinking no problem in the high 30s..