I just bought a 2011 silverado z71. I have 275/70/18 and 18x8.5 +19mm offset on it now. Also I have 2 inch spacers. It's rubs a lil when in reverse at full lock to the left even after I trimmed up the fender well pretty good. Is there any chance of me running 295/70/18 with a 3.5 rough country suspension lift? Should I throw on a 1.25 inch body lift as well? Please give me some feedback and pictures if y'all have some. I really appreciate it.