jordan Posted October 31, 2018 Share Posted October 31, 2018 I have a 91 cherokee sport minus the engine I got for parts . Are the front and rear differentials compatable with my 1988 Comanche?. Where do I check for the different ratios if theyre not?. Thanks Link to comment Share on other sites More sharing options...
Pete M Posted October 31, 2018 Share Posted October 31, 2018 yes, those axle assemblies will go in (after you move the perches on the XJ rear axle) Link to comment Share on other sites More sharing options...
ComancheKid45 Posted October 31, 2018 Share Posted October 31, 2018 The front is a direct bolt in, the rear will have to have the spring perches moved and the shock mounts removed, but it is the same overall axle as an XJ Ah, Pete beat me to it! Haha Link to comment Share on other sites More sharing options...
HOrnbrod Posted October 31, 2018 Share Posted October 31, 2018 What's the axle ratio of the donor XJ? And what ratio do you now have on the MJ? Link to comment Share on other sites More sharing options...
ParadiseMJ Posted October 31, 2018 Share Posted October 31, 2018 3 hours ago, jordan said: Where do I check for the different ratios if theyre not?. Thanks Ideally the diffs have a tag bolted to one/two of the bolts on the pumpkin (thought I'd slip that in for Halloween) that have the ratio stamped on them. If not opening the cover and the ratio is stamped on the ring. If you decipher the ratio on the either diff you can pretty much count on the opposite axle being the same. Then again there are certain stock configurations that come from the factory, stock. someone (not me) knows those models/year/engine/ratios. e.g. 88/d44/5 speed /BA-10/3.07 or 88/d35/AW4/3.55 Link to comment Share on other sites More sharing options...
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