xjcat Posted October 15, 2009 Share Posted October 15, 2009 i've just picked up a 88 MJ its 2wd with the 2.5l and ax5, i'd like to make it 4wd, What Gear box or auto Trans and Transfer case can i bolt to this motor to get 4x4? Can i bolt one of my 231 transfer cases to my 2wd ax5 gear box? i've searched i bit, but not sure i'm wording it correct i want to keep the 2.5 for now thanks Link to comment Share on other sites More sharing options...
Automan2164 Posted October 15, 2009 Share Posted October 15, 2009 Best thing to do is find an XJ/MJ donor, to just pull parts off of... Look for something with the AX4/5 and the NP231. You can bolt up a t-case to your trans, but not without pulling it apart, changing the output shaft, and tailhousing. Might as well get a 4wd trans. You'll want to find a 4x4 XJ/MJ front axle out of a 4wd 2.5L also, as you have the lesser common 4.10 gear in back... Most likely... Jeep stuff is NEVER set in stone. Rob L. Link to comment Share on other sites More sharing options...
Pete M Posted October 15, 2009 Share Posted October 15, 2009 2.5L/4spd generally has 3.55 gears 2.5L/5spd generally has 4.10 gears Link to comment Share on other sites More sharing options...
xjcat Posted October 15, 2009 Author Share Posted October 15, 2009 it's got 4.10 gears, i've got the d30 with 4.10s bolted in. Link to comment Share on other sites More sharing options...
BJA814 Posted October 15, 2009 Share Posted October 15, 2009 Like others have said...best bet is to buy a whole tranny and t-case combo. Less headaches, and probably cheaper too. Heck, I found a whole XJ for what I was going to pay for a tranny. Link to comment Share on other sites More sharing options...
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