Quote:
Originally Posted by RichardNew
Now for the interesting thing. The size of the tire doesn't mean you have more rubber on the ground. The size of the footprint is determined by the weight of the car and the tire pressure.
Changing the size of the tire will alter the shape of the footprint but not it's size.
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I gotta call BS on this one. Looking forward to the physics explaining this. It is well known that adding tire width adds mechanical grip all other variables remaining the same (tire compound, pressure, car weight etc.) There are practical limits though. Not sure how you get more mechanical grip without more contact patch.