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Unread 02-06-2013, 09:09 PM   #38041
Awesome
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1995 YJ Wrangler 
 
Join Date: Mar 2010
Location: California
Posts: 1,388
I've got an NP231C laying around. No idea what to do with it. It's even still attached to the 4L60-E.

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Unread 02-06-2013, 09:12 PM   #38042
juicyj
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1988 YJ Wrangler 
 
Join Date: Feb 2012
Location: Winston Salem, North Carolina
Posts: 641
Quote:
Originally Posted by Ripper3494 View Post

It would be outta a Chevy but if ya don't want it ill be happy to take it off ur hands lol
Well I bought it cause it has an sye kit so when I pull the kit what's it worth?
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Unread 02-06-2013, 09:15 PM   #38043
Ripper3494
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1994 YJ Wrangler 
 
Join Date: Jan 2010
Location: Warrenville, Illinois
Posts: 5,741
Quote:
Originally Posted by Awesome View Post
I've got an NP231C laying around. No idea what to do with it. It's even still attached to the 4L60-E.
send it to me thats what you should do with it lol
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build thread:
[url]http://www.jeepforum.com/forum/f22/94-yj-6-0-build-spud-1218315/[/url]
1994 yj stretched, locked and loaded - 6.0l vortec lq4, 4l60e, np231, Dana 44s 37" interco trxus m/t, 3.5" bds front leafs, double triangulated 4 link rear on xj front coils.
1997 ZJ limited - BONE stock
2003 tj - 4in skyjacker, 33" mickey thompsons
my on board alternator/welder write up
[url]http://www.jeepforum.com/forum/f12/alternator-welder-write-up-1301614/[/url]
my tj 1/2 doors on a yj write up
[url]http://www.jeepforum.com/forum/f12/tj-uppers-yj-half-doors-hard-top-installation-1417686/[/url]
RC vs BDS
[url]http://www.jeepforum.com/forum/f12/rough-country-vs-bds-1461555/[/url]
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Unread 02-06-2013, 09:16 PM   #38044
Ripper3494
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1994 YJ Wrangler 
 
Join Date: Jan 2010
Location: Warrenville, Illinois
Posts: 5,741
Quote:
Originally Posted by juicyj View Post
Well I bought it cause it has an sye kit so when I pull the kit what's it worth?
not a clue, ive never actually bought a transfer case, ive either just picked em up because people didnt want them or i traded them for another transfer case lol
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build thread:
[url]http://www.jeepforum.com/forum/f22/94-yj-6-0-build-spud-1218315/[/url]
1994 yj stretched, locked and loaded - 6.0l vortec lq4, 4l60e, np231, Dana 44s 37" interco trxus m/t, 3.5" bds front leafs, double triangulated 4 link rear on xj front coils.
1997 ZJ limited - BONE stock
2003 tj - 4in skyjacker, 33" mickey thompsons
my on board alternator/welder write up
[url]http://www.jeepforum.com/forum/f12/alternator-welder-write-up-1301614/[/url]
my tj 1/2 doors on a yj write up
[url]http://www.jeepforum.com/forum/f12/tj-uppers-yj-half-doors-hard-top-installation-1417686/[/url]
RC vs BDS
[url]http://www.jeepforum.com/forum/f12/rough-country-vs-bds-1461555/[/url]
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Unread 02-06-2013, 09:25 PM   #38045
Anticanman
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1994 YJ Wrangler 
 
Join Date: Aug 2009
Location: Ripon, California
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Quote:
Originally Posted by DirtKar View Post
Hurry up...
I've been working on work stuff at work instead of "work" which is just working on my jeep. I think I'm going to take the beadlock rings down to bare steel with the flap disk tomorrow so I can get them to you to get powdercoated. Just give me a dollar amount and I will pay it for your services
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Unread 02-06-2013, 09:29 PM   #38046
ninjakid
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1987 YJ Wrangler 
 
Join Date: Mar 2011
Location: Chalfont, Pennsylvania
Posts: 1,014
Quote:
Originally Posted by Ripper3494
on the hunt for an np231C or 207 and a 241 to bastardize pieces together to build the ultimate 231J "muhahaha"
If you can find a 231 amc.
Same as the J it just have a planetary gearset with holes drilled for six planetaries with 3 installed and three empty spaces.
Find another 231 with planetaries that have the same teeth angle and harvest them out of it and voila, you've got a six planetary gearset.
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96 XJ 4dr, 4.0, AW4, NP231,
87 Wrangler, 4.2, TF999, NP231
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Unread 02-06-2013, 09:34 PM   #38047
Awesome
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Join Date: Mar 2010
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Quote:
Originally Posted by ninjakid View Post
If you can find a 231 amc.
Same as the J it just have a planetary gearset with holes drilled for six planetaries with 3 installed and three empty spaces.
Find another 231 with planetaries that have the same teeth angle and harvest them out of it and voila, you've got a six planetary gearset.
Just out of curiosity, what are you guys talking about?

You can add gears to the NP231 to make it stronger?
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Unread 02-06-2013, 09:35 PM   #38048
Ripper3494
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1994 YJ Wrangler 
 
Join Date: Jan 2010
Location: Warrenville, Illinois
Posts: 5,741
Quote:
Originally Posted by ninjakid View Post
If you can find a 231 amc.
Same as the J it just have a planetary gearset with holes drilled for six planetaries with 3 installed and three empty spaces.
Find another 231 with planetaries that have the same teeth angle and harvest them out of it and voila, you've got a six planetary gearset.
thats some good info, i may do that except i need a new planetary set anyway because mine is just shot. but if i get a new amc case and the 231C then i'll have 2 cages for gears which will give me the set and the wide chain from the C

do you know the chain width of the amc case?
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build thread:
[url]http://www.jeepforum.com/forum/f22/94-yj-6-0-build-spud-1218315/[/url]
1994 yj stretched, locked and loaded - 6.0l vortec lq4, 4l60e, np231, Dana 44s 37" interco trxus m/t, 3.5" bds front leafs, double triangulated 4 link rear on xj front coils.
1997 ZJ limited - BONE stock
2003 tj - 4in skyjacker, 33" mickey thompsons
my on board alternator/welder write up
[url]http://www.jeepforum.com/forum/f12/alternator-welder-write-up-1301614/[/url]
my tj 1/2 doors on a yj write up
[url]http://www.jeepforum.com/forum/f12/tj-uppers-yj-half-doors-hard-top-installation-1417686/[/url]
RC vs BDS
[url]http://www.jeepforum.com/forum/f12/rough-country-vs-bds-1461555/[/url]
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Unread 02-06-2013, 09:36 PM   #38049
Ripper3494
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1994 YJ Wrangler 
 
Join Date: Jan 2010
Location: Warrenville, Illinois
Posts: 5,741
Quote:
Originally Posted by Awesome View Post
Just out of curiosity, what are you guys talking about?

You can add gears to the NP231 to make it stronger?
the planetary gears for the np231 are somewhat weak since there are only 3 gears transferring torque, when you bump it up to a planetary set with 6 gears you essentially double your torque transfer potential
__________________
build thread:
[url]http://www.jeepforum.com/forum/f22/94-yj-6-0-build-spud-1218315/[/url]
1994 yj stretched, locked and loaded - 6.0l vortec lq4, 4l60e, np231, Dana 44s 37" interco trxus m/t, 3.5" bds front leafs, double triangulated 4 link rear on xj front coils.
1997 ZJ limited - BONE stock
2003 tj - 4in skyjacker, 33" mickey thompsons
my on board alternator/welder write up
[url]http://www.jeepforum.com/forum/f12/alternator-welder-write-up-1301614/[/url]
my tj 1/2 doors on a yj write up
[url]http://www.jeepforum.com/forum/f12/tj-uppers-yj-half-doors-hard-top-installation-1417686/[/url]
RC vs BDS
[url]http://www.jeepforum.com/forum/f12/rough-country-vs-bds-1461555/[/url]
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Unread 02-06-2013, 09:46 PM   #38050
ninjakid
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1987 YJ Wrangler 
 
Join Date: Mar 2011
Location: Chalfont, Pennsylvania
Posts: 1,014
Quote:
Originally Posted by Ripper3494

thats some good info, i may do that except i need a new planetary set anyway because mine is just shot. but if i get a new amc case and the 231C then i'll have 2 cages for gears which will give me the set and the wide chain from the C

do you know the chain width of the amc case?
Chain was the same as the 91 231 I used for parts.
The gears in later 231 planetaries are cut differently, I don't know when they changed though.
On my phone so I can't access photobucket but I have a picture of the planetary case in my crappy build thread linked in my siggy I believe.
Should be the third post.
For whatever reason I never took a picture of the finished thing though.
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96 XJ 4dr, 4.0, AW4, NP231,
87 Wrangler, 4.2, TF999, NP231
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Unread 02-06-2013, 10:22 PM   #38051
Carlos14
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2007 JK Wrangler 
 
Join Date: Apr 2012
Location: Graham, NC
Posts: 4,148
Quote:
Originally Posted by Awesome View Post
Just out of curiosity, what are you guys talking about?
This... Sums up the entire conversation that's going on right now to me.
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Unread 02-06-2013, 10:25 PM   #38052
Awesome
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1995 YJ Wrangler 
 
Join Date: Mar 2010
Location: California
Posts: 1,388
Quote:
Originally Posted by Ripper3494 View Post
the planetary gears for the np231 are somewhat weak since there are only 3 gears transferring torque, when you bump it up to a planetary set with 6 gears you essentially double your torque transfer potential
Is this an easy upgrade? I thought the NP231C was weaker than the NP231J because it used a smaller chain. That and it uses a different output shaft.
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Unread 02-06-2013, 10:31 PM   #38053
Xpress
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1996 ZJ 
 
Join Date: Dec 2010
Location: The Great Big Box, California
Posts: 5,828
Fixed my rear end vibration issue with a new spicer u-joint, and discovered my t-case had no fluid in it In went a quart of ATF for now, at least until I can fix the rear seal, which appears to be my leaking point judging by all of the gunk sprayed about in that general area. It shifts into 4wd a lot smoother now
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Unread 02-06-2013, 10:35 PM   #38054
Overhead
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1995 YJ Wrangler 
 
Join Date: May 2011
Location: Sterling, Virginia
Posts: 1,367
just to be clear I'm following this and had a similar conversation at a machine shop a few days ago. That being said I've got nothing of use to add. And it took me a minute to figure out I actualy knew what was going on.

On topic my LED light mount came in today, and I heard my check should be in friday... at least in theory.....

Off topic: how most of the forum feels. http://www.quickmeme.com/meme/3svz0j/
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Unread 02-06-2013, 10:38 PM   #38055
Awesome
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1995 YJ Wrangler 
 
Join Date: Mar 2010
Location: California
Posts: 1,388
I don't know diddly squat about transfer cases (how they work), but I know which ones are good on Jeeps.

Tomorrow I am planning on getting the new air tank mounted, the brakes bled, and the Jeep ready for some four-wheeling next week. Obviously it still doesn't run, but I want to be as ready as I can so I can get out there and see if it flexes a lot better now.
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