i have 5" lift and have 39 iroks on my 83. you don't need that much lift. if you are mud boggin it you won't need it to make alot of flex. the width of the tires might be an issue with them hitting your leaf springs when turning. i have 13.5 wide tires with 2" wheels spacers and they hit plus you need to think about how heavy those tires are gonna be. you might have better luck with smaller tires because you can get them moving faster. just my
