The Mud Pit > Wrenching

np231 swap

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gearhead1985B:

--- Quote from: GreenGrandV8 on March 24, 2010, 07:08:44 PM ---yeah im going to be swapping the input gear for sure.. i been doin a lot of research.. one thing that crossed my mind is i was wondering if maybe i could just swap that tail shaft piece with a newer one with the other sensors in it if that would work or not... i dont really know why it wouldnt.. what do u think?

--- End quote ---

i don't know if the vss is the same on the np 249 but the case you got sounds like an early yj case swaping the tail shaft is a possibility but i don't think it will work the vaccume plug thing is for your 4x4 indication so you can swap it for the electronic switch from an xj and your 4x4 light will work

GreenGrandV8:
well hopefully this will solve my problems..... i had a white xj in my yard that friends have been using for parts, and the guy i bought it from said it was a 96. looked at it yesterday and its a 3/94 and the transfer case gear cut change was between 94-95 so fopefully this one is still the early gear cut so i can swap the input shaft.. ripped the case out today.. only took like an hour and a half.. came out nice. so im hoping ill be all set. thanks for the info guys. i need to become a real member so we can go wheelin.. i live in canterbury and dont know many people to wheel with out here..

BlacXJeep:
Come on out mang!

kirksjeep:
The electric switch from your ZJ will replace the vacuum switch with no problems, I swaped out the one in my YJ when I did away with the vacuum disco.  The speed sensor should screw in also.  I have done several SYE conversions and the kits are all the same reguardless of the speedo type.  Have you looked to see if the transfercases are the same length, if not you will need new drive shafts?  Just a thought.

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