look to see where they are rubbing, mine rug at full turn when turning right and going forward, but not left, or in reverse, i just deal with it.
if it is on the control arms, a budget boost will not help. you need a 3.75" or better of backspacing. if you plan on running 33X12.40 you might as well grab a 8-9 inch wide rim, with at least 4 inches of backspacing.
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.
Soon to come mods: 4" full traction lift, 4.56 gears, 35X10.50R15 boggers, 35X12.50 cooper st tires, spooled rear end, and much more.