yep aw4 would be the way to go they are strong trans i have an xj with it and put it thourgh a lot with out any trouple and you can run different gears my stock xj has 3.55's in it and i know other people that are running 4.10's and 35's with out any issues from it.
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1983 j10 lwb soon to be a 4.5l stroker AMC 20 rear 44 front 4spd manual in the process of restoring
01 xj 3" and 31's
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