jb, I'm also looking to run 31x10.5x15's, do you encounter any rubbing problems on the front with the 0 offset wheels?

Long a$$ 2000 Sporty, auto, 5.38 gears, TF front locker, 4"+ front lift (Kings +40 springs, 50mm spacers, 1.5" diff drop), TJ 104 rears 3" + 50mm coil spacers, 1.5" body lift, 31/10.5r15's on 15x8 Kings (ET-13), WARN manuals, Smart Bar, spotties