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Unread 12-23-2001, 02:11 PM   #1
phillup69
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Join Date: Dec 2001
Posts: 1
Quadratrac transfer case

How difficult would it be to change out the quadratrac (NP249) transfer case to a NP242 or NP231. Would either of these 2 bolt straight into the tranmasiion? I own a 94 ZJ with the 5.2L engine. Would any driveshaft mods be needed, or any axle mods needed?


Thanks , Scott

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Unread 01-06-2002, 02:38 PM   #2
WharfRat123
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Join Date: Jan 2002
Posts: 15
Both will bolt right up.

Driveshaft mods will probably be needed as well as shift linkage mods.

But this is a great swap and easier than most think.

The 231 is cheaper, but I would go for the 242 if I were you, unless it never snows where you are. Not having the ability of full-time 4wd is lame IMHO.
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Unread 01-07-2002, 04:06 PM   #3
Mackskibum
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1976 CJ7 
 
Join Date: Jan 2002
Location: Northampton, PA
Posts: 24
Wharf is right with some caveats...

You need the correct input shaft length for the bolt- up. The front output yoke needs to be from an XJ or a ZJ if you use the 231- the double cardan wont fit in the yoke of a TJ case. Also, your VIC won't work w/ the 231- the switch won't make it function, although it will work with the 242. I did not have to lengthen the driveshafts in my 231 swap, but any lift would require changes here. The linkage will require some field engineering to work on the 231, I don't know about the 242.

Good Luck
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Unread 01-07-2002, 08:33 PM   #4
WharfRat123
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That is true. I totally spaced on the fact that there are tow different input shaft styles.

As far as the VIC goes.....yeah that is true if it really matters to you. I don't have a whole lot of use for it, and that helps lend some back to the fact that the 242 is a better swap anyway.
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1998 5.9L
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