Well here's the deal. I have an 05 ram 2500 with an 8" lift. I have 20's on for rims and I recently had 38x13.5's installed. I only did this because a friend of mine had done the same with no issue. My only issue is that at just about full turn my tires rub really bad on the fender flare and have already broke a piece off. My question is this, would a different rim choice be all I need? And if so what would be the best offset? I'm not sure what mine are now as they came with the truck. I measured the rim and found that it was a 10" rim with a 4.5" back spacing, apparently a -25 offset according to a chart I found. So any help would be very much appreciated. Thanks, James.