31's or 245/75's are nice!

If you are going back to 31's the factory carriers are great! I have a 28lbs steel wheel & a 31 with no issue! With a 33' I would try to use a light weight aluminum wheel. Otherwise it works wonders, also have my whip & high lift mounted on it!
A local is actually running a 35" tire and AR outlaw 2's which weigh around 17lbs, he has not had an issue with it breaking or anything...I'm sticking to my 31's as well