Tire Air Pressure

[BART]

I'm running 275/75's "E" Range Michelins and I was told by America's Tire to run them at 60psi front and rear. Seems that any lower I have wandering problems. When I put the 9.5' camper on I jump the rears to 80 psi and the front to 70 psi. Plus pump up the air-bags to at least 80psi.I think they run longer a bit harder. Maybe it makes the ride harder but tires last longer. Same for the family car too. Tire shops say 32psi in the car tires so I need to come in more often for new tires... Just my opinion.

[Mopar1973Man]

I look at the profile of the tire and contact patch and base my pressure from that. Also using a tread depth gauge to double check to make sure I'm not over wearing the outside or middle of the tread and adjust accordingly.

[blk90s13]

my tires say 80psi max so I run 70psi in all 4

[dripley]

i run 80 when towing and 65 when empty. also keep acheck on tread wear