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Tire Pressure Increase With Load
I have a 2019 chevy 2500 HD with a 6.0 gas engine.
The tire sticker in the door jam says 60 psi in the front and 75 psi in the rear,
I run 60 psi in the rear when not towing. When I run 75 psi in the rear and haul my 3121rl with about 2500# pin weight, depending on they outside and road temp according to my onboard tire monitors the pressures in the rear tires climb 5-10 and even 15 PSI up to a total of 90 psi on a hot summer day. should I adjust accordingly IE: leave them at 60 psi on a hot day and let the weight and heat bring them up to 75 psi, or put them at 75 psi from the get go and where ever they end up hope for the best. They are load range E 10 ply and say 80 psi max cold.
Dean
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