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My 89 v6 is a 5 speed manual and has the #4625 axel.
No Limited Slip

Been running 31x10.5's forever!
Thinking of trying 33x 12.5 Goodyear Duratracs - any comment?

Pro Comp XAT 32x11.5's are also an option


IT's in the FAQ but I see you're not on here that often so you probably missed that.

33's will fit with a 2" BL (4crawler.com makes them).
You'll need to trim the rubber end caps on your front bumpers and probably torque your torsion bars. Oh, and most shops won't mount them on the stock rims so you may need to upgrade to wider rims.