Welcome to the forum, the fun begins! My first jeep was a 1974 CJ-5 with an AMC -360, with 4.10 and a 3 speed. The biggest tires you could get back then, (1970s) was an Armstrong Tru-track 11-15 32.3" tall. Just went back in the time machine! I'm back now to 2012! Welcome to the forum.