wallisek Posted April 17, 2010 Share Posted April 17, 2010 Got my 2.5 in the machine shop right now and in the process of rebuild my NP231. I didn't plan on putting a used high mileage transmission between the two. What would be a reasonable price to pay for a used one? I see a couple in my local area on craigslist for 150-350. I'm thinking 150 since a rebuild kit with synchros is around 200 assuming I rebuild it myself. I ran across an AX-15 + bellhousing for 150 but from what I understand I can't put the 15 behind my 2.5. :( Link to comment Share on other sites More sharing options...
mnkyboy Posted April 18, 2010 Share Posted April 18, 2010 you can use the AX15 with the correct bell housing or the adapter kit. Link to comment Share on other sites More sharing options...
Geonovast Posted April 18, 2010 Share Posted April 18, 2010 You need a somewhat rare 2.5/AX-15 Dakota bellhousing, and also need some fancy shift linkage work, trans mount work, and different driveshafts. After all that cost, you might as well have bought the rebuild kit for your AX-5 and kept things easier. The AX-5 is a good enough trans for a 2.5. Most I would go for a decent one is 150, maybe a few bucks more if it comes with an external slave setup. Link to comment Share on other sites More sharing options...
mnkyboy Posted April 18, 2010 Share Posted April 18, 2010 depends how you use the truck and what you do to it. My plan is to go to an AX15 because i doubt the AX4 is gonna live long once i get the turbo on my 2.5L Link to comment Share on other sites More sharing options...
wallisek Posted April 18, 2010 Author Share Posted April 18, 2010 I wanted to keep it simple because the truck will be used for daily driving. No lift or anything fancy, just restoring it to original condition. Link to comment Share on other sites More sharing options...
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