so i was able to acquire a fabtech 6" lift for cheap. If i raise the front to fit 37's, will the truck have the cali rake? I want it to sit level and can't seem to find 5" blocks for the rear. also I've already done the norcal mod and my rims are 20x10 with -12 offset, would 37/12.5/20's rub? I already have a move bumper too. right now my truck is just leveled with 305/50/20's and they rub of the back part of the fender. no rub going lock to lock, just half way.