I have 36x14.50x15" TSL radials. I am buying a set of 4 15x12" rims from a buddy of mine. My question is with that wide of a rim on a tirs as wide as mine. Could I run 15-20 psi in my tires will I am on the trail? I run mostly mix trail, rocks, mud, sand. I will be going to Uwharrie alot also. Cuz its only 1 1/2 hours from my house. Plus hopfully Tellico next year. Thank you in advanced for your help.