Avandergriff Posted February 18, 2016 Share Posted February 18, 2016 I have a 1989 Comanche sport truck. It is a 2.5l 4cyl 2wd. I am in the current process or rebuilding the engine and doing a 4wd swap. I have pulled the ax4 as it is worn out with nearly 350,000 miles on it and intend to replace it with a Ax5/np231 combination. I have sourced a pair from a 97 2.5l TJ. Will that bolt up to my '89 block once i get done rebuilding my engine? and is there any serious modification required to do that swap? Any extra electronics on the '97? Link to comment Share on other sites More sharing options...
88whitemanche Posted February 18, 2016 Share Posted February 18, 2016 No electrical..everything bolts up... Your going to have to switch your mechanical speedo over to the transfer case... You have to also buy the clutch master cylinder and external slave set for the clutch...they sell a prebled kit You have to use a clutch kit for your year truck... Then driveshafts have to be made or (shortened or lengthened) front and rear.... Link to comment Share on other sites More sharing options...
Avandergriff Posted February 18, 2016 Author Share Posted February 18, 2016 The clutch kit i took off the ax4 is still good and fairly new. Could i reuse that? And just buy a 97 TJ Master/external slave kit? Is the tcase on the '97 a mechanical speedo as well? do i have to change the gear? Link to comment Share on other sites More sharing options...
88whitemanche Posted February 18, 2016 Share Posted February 18, 2016 On the 97 its electrical.... Did the transmission come with the clutch fork and clutch fork clip? Edit- just read on a thread on jeep forum that you can use a clutch kit from a 97+ xj with the 2.5 Link to comment Share on other sites More sharing options...
88whitemanche Posted February 18, 2016 Share Posted February 18, 2016 http://www.jeepforum.com/forum/f12/need-advise-converting-external-slave-cylinder-1321313/ Link to comment Share on other sites More sharing options...
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