OK. I have run into some confusion lately as im getting varied responses. i recently put on some cooper ST's on my truck and the shop filled them to 50 psi each tire. Now i dont care about ride quality, I have read/heard that they should be what the truck recommends(sticker on door), what they filled them up to, and also that a buddy runs his at 5 psi under max(which in my case, my max is 80psi) I come here to ask of you what do you run your tires at? Im looking just to achieve even treadwear. Like i said, ride quality isnt my concern. Thanks.