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Unread 11-24-2013, 09:01 PM   #1
cjlinn
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1997 TJ Wrangler 
 
Join Date: Jan 2011
Location: Pittsburg, KS
Posts: 130
Tj 5.9 Swap Knowledge Requested

Planning on doing a 5.9L swap in the spring. My question is...can I use the output shaft from the NV231D that's on the Durango behind the 46RE or is the spline count/overall dimension of that shaft not a match? Has anyone tried this? Curious to know if I can source that part from what I have before I order anything from Advance Adapters. Also, my TJ is my DD, so I would like to purchase a '97-'98 harness matching my engine/tranny then send it to Hotwire Auto to build a plug & play unit to smooth out the swap. As a sanity check, does that sound like a solid course of action with the harness or does anyone foresee any issues? Thanks guys.

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Unread 11-26-2013, 01:27 AM   #2
cjlinn
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1997 TJ Wrangler 
 
Join Date: Jan 2011
Location: Pittsburg, KS
Posts: 130
I recant my output shaft statement. Dunno what I was thinking. I have seen the input shaft from the donor Dodge TC working. Moreover, I might try my hand at the harness myself, but I feel more confident letting someone more qualified do it. I hate electronics and I'd like to minimize throwing codes right after my swap is finished.
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Unread 11-26-2013, 04:08 PM   #3
JeepinGIJOE
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Join Date: Sep 2010
Location: Huntington
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Build the harness yourself. .very very very easy..ive built quite a few 5.2 5.9 harnesses now and have helpes with 3 swaps..the durango t case will work fine and is evem an upgrade from the 231 in the jeeps..the durango tcase has a beefier chain...honestly I dunno what these companys are charging for their harnesses now but for this swap anything over $400 is a rip off..its just that easy to build.. my old thread is around somewhere with tons of part numbers and what not..
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Unread 11-26-2013, 06:05 PM   #4
cjlinn
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1997 TJ Wrangler 
 
Join Date: Jan 2011
Location: Pittsburg, KS
Posts: 130
Quote:
Originally Posted by JeepinGIJOE View Post
Build the harness yourself. .very very very easy...the durango t case will work fine and is even an upgrade from the 231 in the jeeps..the durango tcase has a beefier chain...my old thread is around somewhere with tons of part numbers and what not..
I've found the large thread regarding 5.2/5.9 swaps altogether. I'm planning to just utilize what's necessary on my NP231 cause I've already put the Teraflex 4 to 1 kit on it. I saw Jason used the input shaft, bearing?, and chain amongst other parts. I'd have to re-read his thread. I'll look for yours though. I'll try my hand at the harness, but I wanna drive it up until I have all the parts and motor ready. We'll see how it goes.
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Unread 12-25-2013, 12:02 AM   #5
MurdaJs
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1996 ZJ 
 
Join Date: Aug 2009
Location: The Woods
Posts: 2,173
231d hd has a larger output shaft vs jeeps. Also, there is no speedo gear on the tailshaft. A sye solves both problems
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