NathanC
Roll Me Over
Reged: 04/22/02
Posts: 3620
Loc: Brodhead, WI
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And I had to see it for myself:
In case you all are wondering what the hell I'm talking about ^ that is a NP231 transfer case mated up to a KM148 auto transmission.  AFAIK, LandRaider was the first to claim the two were a bolt-up.
From behind:
This particular t-case has a slip yoke eliminator already installed. Here's a shot to give an idea of the overall length, referenced from the front mating surface:
Here's a pic of the gap that's present:
This particular t-case came from a 2001 Wrangler. Therefor the input should be the "long" style. I didn't have the proper tools to measure the spline engagement, but it appeared to me that the input shaft was bottoming out when slid onto the output of the transmission. I had to remove the seal for the transmission output to allow for this since the input shaft on the original t-case must have been a much smaller OD.
Swapping input shafts on the t-case might be a viable option, but then again a t-case clocking ring would probably be just as effective.
BTW, sorry for the crappy pics. They were taken with a cell phone. 
LandRaider, this one is for you! 
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'06 Dakota QC 4.7 6sp 4x4
'94 Montero SR back to stock 
'88 Mighty Max project for sale
'77 KZ1000 fun old bike
'60 Dodge D300
If anyone is not willing to work, then he is not to eat, either. - 2Thess. 3:10b
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don
Roll Me Over
Reged: 05/17/00
Posts: 3281
Loc: Vancouver, BC, Canada
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Very cool!!!
And the NP231 is 2.72:1, and there's a 4:1 gear swap available for it!
Keep going!
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Don `87 Mitsu 2dr, Rubicon survivor, GModified.
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NathanC
Roll Me Over
Reged: 04/22/02
Posts: 3620
Loc: Brodhead, WI
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Quote:
Very cool!!!
And the NP231 is 2.72:1, and there's a 4:1 gear swap available for it!
Keep going!
And with the SYE, it's a good couple inches shorter. Which I think would be very welcome an a SWB rig.
AND there is no front slip yoke which would be awesome for a SAS. 
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'06 Dakota QC 4.7 6sp 4x4
'94 Montero SR back to stock
'88 Mighty Max project for sale
'77 KZ1000 fun old bike
'60 Dodge D300
If anyone is not willing to work, then he is not to eat, either. - 2Thess. 3:10b
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LandRaider
Forum Moderator
Reged: 09/04/01
Posts: 8406
Loc: Ocean Springs, MS
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thanks for the kind words.... now we just need to figure out which seal to use. I hope someone will actually use this. so this is one more thing the whiners about "no mods available" can quit ***** about. the mods for our trucks have been developed on the backs of US, and were the reason. to our community.
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87 Raider 4.3 700R4 NP231CHD
Solid Axles, Selectable Lockers, 36's
87 Raider 4D56td v5MT1
Almost all stock.
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don
Roll Me Over
Reged: 05/17/00
Posts: 3281
Loc: Vancouver, BC, Canada
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Actually, if you can bolt up an NP231, then you can also bolt up a KluneV underdrive! HelloooooooooOOooooo 150:1 !!!!!
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Don `87 Mitsu 2dr, Rubicon survivor, GModified.
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LandRaider
Forum Moderator
Reged: 09/04/01
Posts: 8406
Loc: Ocean Springs, MS
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Plus you could bolt a 700r4 into a raider with a stock transfer case. hello junkyard advanced adapters. :) thanks factory engineers
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87 Raider 4.3 700R4 NP231CHD
Solid Axles, Selectable Lockers, 36's
87 Raider 4D56td v5MT1
Almost all stock.
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87Montero
Trail Leader
Reged: 11/19/03
Posts: 5576
Loc: Greenville, SC
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This is just awesome!
Any ideas about the Gen2? It would probably kill the Active trac system, but does it bolt up as well?
Brendan
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1999 Mitsu Montero - Fully Loaded
'92 Isuzu Pickup: V6,4x4,5spd,TJM Front Bumper,9k Winch, DOR Rear Bumper, RR Hubs, 3" Calmini Lift, 4.77s, 33" TSLs
2008 Saturn Sky Redline - 3 Pedals and a turbo :)
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Oyaji_Jon
Roll Me Over
Reged: 11/01/01
Posts: 3269
Loc: Pebble Beach, CA
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Quote:
Plus you could bolt a 700r4 into a raider with a stock transfer case. hello junkyard advanced adapters. :) thanks factory engineers
I wonder if I could use the stocker in my swap so I can keep the handle on the passenger side for now...
Maybe I'll check it out. I don't have the trannies here. Does anyone know how the length of the 700 compares to the Mitsu manual? I wonder if I could get away with not modifying the trans crossmember this way.
Lots of thoughts, little to no answers...
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73
-Jon
KJ6GVM
As seen on Expedition with TX plates: VEGETARIAN - An old Indian word for poor hunter
Grampa's Trooper
1974 FJ40
1987 FJ60
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NathanC
Roll Me Over
Reged: 04/22/02
Posts: 3620
Loc: Brodhead, WI
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Quote:
This is just awesome!
Any ideas about the Gen2? It would probably kill the Active trac system, but does it bolt up as well?
Brendan
That's actually what I'm working on right now. I'm in the middle of collecting parts. Once I have them all lined up, then I will pull the SR into the garage and drop the stock t-case and see what happens.
It's not as simple on the Gen2's because it seems to require more parts...
BUT at this stage it looks very possible.
Give me at least a few more weeks and I should have an answer to this one. 
Quote:
Actually, if you can bolt up an NP231, then you can also bolt up a KluneV underdrive! HelloooooooooOOooooo 150:1 !!!!!
Yes, on a LWB. It just won't fly on a SWB. BUT this still opens up a lot of doors for single reduction t-cases. Since my Gen2 has some more wheelbase, I'm gunning for a dual t-case setup... that should be shorter than the stock active-trac t-case!
Quote:
thanks for the kind words.... now we just need to figure out which seal to use. I hope someone will actually use this. so this is one more thing the whiners about "no mods available" can quit ***** about. the mods for our trucks have been developed on the backs of US, and were the reason. to our community.
Dude, you had this coming for a loooooooong time. I just wish someone would try to FI a 2.6 based on my junkyard findings.
Quote:
Plus you could bolt a 700r4 into a raider with a stock transfer case. hello junkyard advanced adapters. :) thanks factory engineers
Yes, I think this would work with a Gen1. However, it looks like this will not be the case with the Gen2.
Give me a little time and I'll have more answers for the Gen2's. I don't want to pass on speculation and theory as fact until I physically have the t-case mated up.
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'06 Dakota QC 4.7 6sp 4x4
'94 Montero SR back to stock
'88 Mighty Max project for sale
'77 KZ1000 fun old bike
'60 Dodge D300
If anyone is not willing to work, then he is not to eat, either. - 2Thess. 3:10b
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Lee N
Rock Warrior
Reged: 02/16/01
Posts: 913
Loc: Ogden, UT
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Nathan,
This should be easy on a Gen II SR. The transmission in these are the same as the Jeep Cherokee AW4. Take a look at the AW4 when trying to match up splines and input shafts. If nothing else, swap the complete AW4/NP231 (or even an NP242 if you want full time 4HI) into your SR. The bell housing should bolt up.
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Lee
'94 LS, 3.0 V6, Auto, completely stock
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