I just had new tires put on my class C. The new tires seam to have a bit more flex on the sidewalls then the old ones. The tires say max pressure 80psi for load range E. But the sticker in side the dr...
My door sticker says 65 psi my load E tires say max 80 psi the tire chart for my tires and weight is 65 psi and the rim are stamped 65 psi MAX. I run my tires at 65 psi. IMHO look at the tread contact with the road if it is flat not cupped in or out but flat to the road you are good to go,