trackstar8652 Posted May 17, 2012 Share Posted May 17, 2012 I have an 87 Comanche with the BA/10 and is 2wd. The transmission is on it's last leg at 246k. I want to swap out for an ax-15 or NV3550. I have never swapped a transmission before and am confident I can figure it out, but what am I getting into as far as a 4x4 transmission with a NP231 transfer case attached. What tech pages could I be linked to? Any tips? What transmission will fit and what if any modifications need to be done? The more info the better!!! Thanks guys in advance! :wrench: Link to comment Share on other sites More sharing options...
Pete M Posted May 17, 2012 Share Posted May 17, 2012 viewtopic.php?f=9&t=12206 Link to comment Share on other sites More sharing options...
trackstar8652 Posted May 19, 2012 Author Share Posted May 19, 2012 thanks for the link! Now does that apply to the NV3550 as well? If it is from a TJ will the bell housing be the same for the old 87 4.0? Link to comment Share on other sites More sharing options...
trackstar8652 Posted May 22, 2012 Author Share Posted May 22, 2012 :???: :???: :???: Link to comment Share on other sites More sharing options...
Pete M Posted May 22, 2012 Share Posted May 22, 2012 yes, the wrangler bellhousing will bolt to the older 4.0s :thumbsup: keep in mind that the wrangler trans will rotate the t-case up a bit higher than a stock MJ. puts it real close to the floorboards, but it should be fine (and give better ground clearance). several guys have used the wrangler trans. you'll want to grab a shifter from an MJ/XJ though, as the wrangler one is different and doesn't fit well in the MJ cab. also you'll need MJ/XJ t-case shifter brackets/linkages. Link to comment Share on other sites More sharing options...
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