i run 31X10.50 on a stock jeep. i only rub a little on the passenger side lower control arm.
i have never had any issues with rubbing anywhere else.
1977 Cherokee ChiefEdelbrock 1406, 33X12.50, front 1.5 inch shackle lift. AMC 360, th400 Quadra-Trac
2002 wrangler, stock 4.0, auto, 33X12.50 maxis buckshot, AEV Highline Body kit, Ford 9 inch rear end, 4" full traction lift.