I'm looking to buy new tires, wheels and a lift for my '09 Wrangler. I'm debating between 33x11.5R16 and 33x12.5R16. I'm going with an Old Man Emu 2" or 3" inch lift and Cragar Soft 8's.

Now my question is, because I'm clueless on this, even after reading posts, but what type of backspacing do I need so I don't have any rubbing issues, or any type of issues?