HOrnbrod Posted October 3, 2008 Share Posted October 3, 2008 After the recent dyno runs I had at Hesco after some engine mods, I was not happy about the 25%+ power loss through the drive train with my AW-4 auto. While it has served me well, I am seriously looking into swapping in 5-speed. The AX-15 should be the easiest I ASSuME, so am looking for advice, guidance, and recommendations. Best to look for a hard-to-find late model donor, or pick up the bits and pieces seperately? Tapco has new surplus AX-15s for $945. Didn't Chryco use these up until 2001? And, are there other optional standard trannies adaptable? Link to comment Share on other sites More sharing options...
ejndssn Posted October 3, 2008 Share Posted October 3, 2008 actually you have another option and that would be using the nv3550 which is pretty good and i know that Pete has one in one of his so if you price out one of those that may do the trick for ya as well I would recommend that external slave of the ax-15 :cheers: that my 2 cents worth Link to comment Share on other sites More sharing options...
HOrnbrod Posted October 3, 2008 Author Share Posted October 3, 2008 Yes, good tranny, believe they were used in the 2000 and up XJs and TJs? Thanks for the info; I'll start looking into this. Link to comment Share on other sites More sharing options...
james750 Posted October 3, 2008 Share Posted October 3, 2008 Isn't the NV3550 a 6 speed? Link to comment Share on other sites More sharing options...
wolfpackjeeper Posted October 3, 2008 Share Posted October 3, 2008 sm425 or sm 465 are outstanding 4spds if you can find them, ax15 would do fine, nv 3550,3555, or the nv4500 are all options on mannys novak makes adapters for the turbo350 and the 700r4 if you wanted to go there too. actually novak makes adapters for all of them. Link to comment Share on other sites More sharing options...
wolfpackjeeper Posted October 3, 2008 Share Posted October 3, 2008 3550 is a 5spd I believe Link to comment Share on other sites More sharing options...
WahooSteeler Posted October 3, 2008 Share Posted October 3, 2008 Advance Adapters has new AX15s, don't know pricing, just an fyi..... Link to comment Share on other sites More sharing options...
HOrnbrod Posted October 3, 2008 Author Share Posted October 3, 2008 3550 is a 5spd I believe Yeah, 5-speed. I send a note out to Novak asking for recommendations. Thanks for the advice. Link to comment Share on other sites More sharing options...
86FUBAR Posted October 3, 2008 Share Posted October 3, 2008 Isn't the NV3550 a 6 speed? fyi the jeep 6 speed is the NSG370 Link to comment Share on other sites More sharing options...
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