I just bought the 37x13.5r20 Nitto Ridge Grapplers and was wondering on tire pressures. The shop maxed them out at 65psi but seems to ride too hard. Lowered all (4) tires to 60psi and that has helped. Was just wondering how low others were running theirs and tire wear at those psi settings. Should i also run lower in the back since it's lighter? Add air if towing or hauling of course....

Note: Also put the 5" Rough Country lift to fit the 37s


thanks,