Jtrux Posted April 25, 2016 Share Posted April 25, 2016 The 2.5L has the GM 60 degree bolt pattern, right? Has anyone swapped a later model 3.8 from a Firebird/Trans Am into a MJ/XJ? They are also 60 degree motors. Link to comment Share on other sites More sharing options...
mnkyboy Posted April 26, 2016 Share Posted April 26, 2016 Most do the 3400 but a 3800 would be doable,problem is that the transmission wouldn't live very long. Link to comment Share on other sites More sharing options...
dasbulliwagen Posted April 26, 2016 Share Posted April 26, 2016 It has been done by a member on this site. My recollection is that he couldn't keep trannys in it for very long. The next weak point after that is the rear end if you have a dana 35. Look up build threads by jeepcomj and you should find some info. Link to comment Share on other sites More sharing options...
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