I have a 1999 TJ 4.0 6 Cyl with a 2" suspension lift. I want to put on Cragar soft 8 wheels and 31x10.50x15 Bfgoodrich All Terrain T/A tires. What offset and backspacing should I get. I don't care if it sticks past fender flares just don't want it to rub. Thanks for anyone's help.