80 PSI or not
I am sure that some of you will not agree with this, but I run E tires of the same size on a 8800# max weight 31 footer TT. Changed from D to E. My brother-in-law (a retiree of Cooper Tire & Rubber) plus the tire dealer which I know very well, recommended 65 to 70 PSI always. Get on down the road and you could exceed the tire's max pressure if you inflate to what is on the side of the tire. On a recent 6,000 mile July-August trip to Montana, my TPMS read 75 to 78 PSI running the highway at 65 to 70 MPH. And, it wasn't that hot up there.
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M&P James
HSV, AR
2017 31BKPR Bullet Premier
2021 GMC SIERRA SLT 2500 HD
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