03-12-2014, 04:16 PM
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#19 (permalink)
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A True Z Fanatic
Join Date: May 2013
Location: Columbus, OH
Posts: 5,051
Drives: 2013 Silver 370z
Rep Power: 3389
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Quote:
Originally Posted by wstar
Contact patch is a function of the car's weight at each corner, not the tire size. When you change the dimensions of the tire, it changes the *shape* of the contact patch, but the magnitude of the contact patch (square inches of area) remains the same. A wider tire has a wider contact patch, but also a shorter one.
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So a 155 tire and a 320 tire both 26" in diameter have the same contact patch in square inches? I don't think so.
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13 370z-
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