Transfer Case Swap Info NP249->NP231 & NP242 - Page 73 - JeepForum.com
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post #1081 of 3106 Old 03-03-2012, 09:23 AM Thread Starter
JrMechanic
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Quote:
Originally Posted by jthayer0715 View Post
What's the best way or place to get a 242 transfer case?
From me...


Want to swap an NP242 or NP231 into your ZJ? Here's how:
http://www.jeepforum.com/forum/f13/n...pdated-685644/
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post #1082 of 3106 Old 03-03-2012, 11:10 AM
Proph2010
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wow what a great write up; due to the length of the thread(72) pages, and only reading about 10 on each end; i hope im not asking question already asked. but i have a '94 5.2 with a 249 tc; my vc is in good condition thus far(118k miles); i love it, what i dont like is the idea of (because of what i want to do with the jeep) is the lack of the ability for for the front diff to be locked to the rear diff. now my understanding is when it switched from new process to new venture in 96 the 249 became capable of locking the front and rear together... is this accurate for one, and two if it is, am i able to swap my older np 249 for a newer nv 249 as opposed to having to go to the 242 or 231?
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post #1083 of 3106 Old 03-03-2012, 11:42 AM
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Quote:
Originally Posted by Proph2010
wow what a great write up; due to the length of the thread(72) pages, and only reading about 10 on each end; i hope im not asking question already asked. but i have a '94 5.2 with a 249 tc; my vc is in good condition thus far(118k miles); i love it, what i dont like is the idea of (because of what i want to do with the jeep) is the lack of the ability for for the front diff to be locked to the rear diff. now my understanding is when it switched from new process to new venture in 96 the 249 became capable of locking the front and rear together... is this accurate for one, and two if it is, am i able to swap my older np 249 for a newer nv 249 as opposed to having to go to the 242 or 231?
That is correct. And its entirely possible to switch to a newer 249. Although i believe the only way to get a 1.5" input in there is a front case half swap.

95 Limited Chargold ZJ 5.2L -5.5" lift (IRO, Ironman, and RC parts), 33" BFG M/T's, 15x8 procomp crawlers, 242 swap, 2 12" subs, 1000w amp, cherry bomb, full skid package, Kevins rear stealth bumper clone w 3/4" D rings, Rlcwelding front bumper w 3/8" D rings, XRC-8, front tow hooks, 2 daylighter fairlead lights, 2 daylighter windsheild lights, 2 55w driving lights, OBA, Cobra 18 CB, dual 4' whips, RC disconnects, smittybuilt jack, optima yellowtop.
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post #1084 of 3106 Old 03-03-2012, 04:54 PM
Proph2010
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Ok thanks! I was hoping to hear it was a direct swap although, leave to Jeep to change small things like that year to year in the same model vehicle lol I imagine the front half case swap from a np 249 to a nv 249 is similar as the others detailed on write up way above!
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post #1085 of 3106 Old 03-05-2012, 11:48 PM Thread Starter
JrMechanic
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FWIW, I've read more than once that all 1.55" long inputs are the early style gear cut with the wide bearing. This is entirely false. I happened to have both an early and late style long input, so I snapped a picture for future reference:


Want to swap an NP242 or NP231 into your ZJ? Here's how:
http://www.jeepforum.com/forum/f13/n...pdated-685644/
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post #1086 of 3106 Old 03-07-2012, 06:13 PM
heitzman
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Ok, after reading most of this thread i am confused. This is new to me but here is my question. I have a 95 JG with a 5.2 and a 249 TC with about 180,000 miles, can I remove my 249 TC and put a 242 TC in its place with no modifications? My VC is fried and this is why iam asking. Thanks
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post #1087 of 3106 Old 03-08-2012, 10:58 AM
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Can anyone please help me with my question? Thanks
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post #1088 of 3106 Old 03-08-2012, 11:14 AM
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Originally Posted by heitzman View Post
Ok, after reading most of this thread i am confused. This is new to me but here is my question. I have a 95 JG with a 5.2 and a 249 TC with about 180,000 miles, can I remove my 249 TC and put a 242 TC in its place with no modifications? My VC is fried and this is why iam asking. Thanks
I'm pretty sure you will have to swap the input shaft from the 249 into the 242. But you have a 95 so I'm not 100% sure. When you get the 242, sit them side by side and compare them.

94 Grand Cherokee 5.2 33in. Federal Couragia M/T's on Procomp Steelies, np231 swap, IRO Hack n Tap SYE, Carolina Driveshaft, 4.5 in. lift, RE front upper/rear lower ca's, RC front lowers, Ironman rear uppers, IRO 4.5 coils in rear, 3.5 and 2" bb (no isolators) in front, Bilstein 5100's, Clayton/JKS adj. track bars, KOR rad support and SS, Magnaflow/Flowmaster exhaust, clear corners, custom light bar w/ Hella 500's

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post #1089 of 3106 Old 03-08-2012, 12:18 PM
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Yes, most likely have to swap inputs. You should have 1.55" input shaftand it's harder to found a 231/242 with that. If you do you're lucky. If not and you have to swap inputs, make sure to get a tc with a production date after mid 94 because of the gear cut change. Just did mine on my 93 with a 93 xj 231 had to swap input shafts but works great once I'm done. Shoulda done it a long time ago.

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post #1090 of 3106 Old 03-08-2012, 12:21 PM
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Wow writing that on my phone just auto corrected and slaughtered my grammar haha

Big Gulps huh? Alriight! Welp, see you later!
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post #1091 of 3106 Old 03-08-2012, 08:09 PM
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Hey, that's MY input shaft in that pic above! FWIW, if anyone is looking for someone honest and straightforward to build a converted 231/242 for a V8 ZJ, JrMechanic is the one. If you are put off by the idea of having 1.2 million parts laid out on your bench and rebuilding a case yourself, have it done for you. I'll be putting in a thread soon on my experience with him and his product soon, but early indications are he's the guy to go to for this.

1994 ZJ, 5.2L/46RH, NP242 & D44HD Swap, 4" SA Lift, 31" KM2s, and all the usual... I only lifted it so I wouldn't have to drive my grandma to church anymore... ;)

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post #1092 of 3106 Old 03-08-2012, 08:29 PM
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Quote:
Originally Posted by RedRocket1994 View Post
Hey, that's MY input shaft in that pic above! FWIW, if anyone is looking for someone honest and straightforward to build a converted 231/242 for a V8 ZJ, JrMechanic is the one. If you are put off by the idea of having 1.2 million parts laid out on your bench and rebuilding a case yourself, have it done for you. I'll be putting in a thread soon on my experience with him and his product soon, but early indications are he's the guy to go to for this.
How much?
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post #1093 of 3106 Old 03-08-2012, 09:10 PM
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Well, I think it's only right that you PM him yourself, but I'll say it was an AWESOME, AWESOME deal. I will say, it's three figures, with shipping across a few states. Many times did I add up the cost of a core t-case, input (I'm keeping my NP249 together just in case), bearings/seals, chain, etc, etc, plus my time and effort in doing the work. No matter how I crunched the #'s, I spent very little extra having Garret do it for me. Not to mention they look JUST like his avatar, very clean and new. PM him, he'll give you all the info.

1994 ZJ, 5.2L/46RH, NP242 & D44HD Swap, 4" SA Lift, 31" KM2s, and all the usual... I only lifted it so I wouldn't have to drive my grandma to church anymore... ;)

Remember: Every time you call a Jeep a "car", God kills a kitten.

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post #1094 of 3106 Old 03-08-2012, 09:11 PM
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Plus, he gave me a free SelecTrac bezel because it took a LITTLE longer than originally quoted...

1994 ZJ, 5.2L/46RH, NP242 & D44HD Swap, 4" SA Lift, 31" KM2s, and all the usual... I only lifted it so I wouldn't have to drive my grandma to church anymore... ;)

Remember: Every time you call a Jeep a "car", God kills a kitten.

Red Jeep Club #657
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post #1095 of 3106 Old 03-08-2012, 11:26 PM
jthayer0715
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Quote:
Originally Posted by RedRocket1994 View Post
Well, I think it's only right that you PM him yourself, but I'll say it was an AWESOME, AWESOME deal. I will say, it's three figures, with shipping across a few states. Many times did I add up the cost of a core t-case, input (I'm keeping my NP249 together just in case), bearings/seals, chain, etc, etc, plus my time and effort in doing the work. No matter how I crunched the #'s, I spent very little extra having Garret do it for me. Not to mention they look JUST like his avatar, very clean and new. PM him, he'll give you all the info.
Ok thanks. What is his screen name on here?
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