XjmjRyan Posted September 8, 2018 Share Posted September 8, 2018 I have a 1989 Jeep Comanche with the 4.0L auto trans and horrible Dana 35 rear axle. I’m planning on swapping it with a Dana 44 I have from a donar Cherokee I have, which also have a factory np231. Any suggestions or advice befor I begin? And will I need an adapter for the nptransfer case to the auto trans? Link to comment Share on other sites More sharing options...
Jeep Driver Posted September 8, 2018 Share Posted September 8, 2018 If you have a 2W MJ now you'll need the entire transmission from the XJ.........no adapter. Link to comment Share on other sites More sharing options...
bad_idea Posted September 8, 2018 Share Posted September 8, 2018 The axle is not going to be a bolt in. MJ is a SUA while the XJ is a SOA. Spacing is also different on the perches. Link to comment Share on other sites More sharing options...
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