Quote:
Originally Posted by SentraSE-R
..........While some people think higher inflation pressures increase a tire's risk of failure, there has been no statistical proof presented to support this theory......
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I think this addresses your concern.
This is from SAE paper 800087 - The Effect of Inflation Pressure on Bias, Bias-Belted, and Radial Tire Performance - by B. L. Collier and J. T. Warchol, B. F. Goodrich, February, 1980. That image shows the affect inflation pressure has on impact resistance of the 3 types of tires tested. They were all the same: There is about a 30% loss in impact resistance with raising the tire pressure from32 psi to 48 psi.