Quote:
Originally Posted by Comptech
Steve,
Ditto here too for my F350 when I ran brand new tires Costco said they had to inflate them to 80 psi... well it caused the new tires to wear wrong and cup... so I too drop them down to about 60 on the rear while not towing.
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Exactly! Too much pressure and not enough weight means the center of the tread will bulge just enough to cause all kinds of handling, ride, and tire wear problems. The manufacturer's load charts are designed, in part, to prevent over inflation as well as under inflation.
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