Re: What tire pressure do you use??????
Every situation is different. The 80 psi tires are probably 10 ply 1 ton tires. When I had 35 12.50's on a 10" rim, I had to run 20 psi in the back (not loaded of coarse) to keep it from wearing the center of the tread out. I followed the truck down the road one day with 35 psi in the tires, and you could see air on the outer 3" of tread on both sides.
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