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Old 05-26-2009, 01:00 PM
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Re: Tire PSI for 225/45-17's

Quote:
Originally Posted by LetItSnow View Post
Autocross is a good one.
Well, I don't autocross the car.

But even then, it seems like it would harm ultimate grip to inflate that high, on a car so light. At a certain point, the inflexibility of the carcass over-powers the rubber's tacky grip, and slides the tire. Some of that might be good...

I dunno. Like I said, I don't autocross, so maybe people do inflate the tires that hard on a 23-2400lb car, and it doesn't act like riding on the edge of a rolling hockey puck.
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