Tcase swap -
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Unread 11-16-2013, 09:05 PM   #1
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Join Date: Mar 2013
Posts: 97
Tcase swap

Hello, i have read and read the transfer case swap stickie, but i still cannot find the answer to my question. Will any 231 from an xj be a direct swap for my niner? As i understand it, the input shaft length should be the same. Is this correct?

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Unread 11-17-2013, 12:29 AM   #2
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1997 ZJ 
Join Date: May 2013
Location: West Palm Beach, Florida
Posts: 93
Depends on a lot of factors. Such as when the 231 was made. The most common direct swap is a 242 from a 96_98 zj
. There is a chance all swaps will need a shorten drive shaft or extended.
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Unread 11-17-2013, 04:40 PM   #3
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1995 ZJ 
Join Date: Dec 2011
Location: Chattanooga, TN
Posts: 2,310
You'll most likely need to swap your input shaft from your 249 into it so you will need a 1995+ as the gear cut was changed that year (1994 production model but 1995 year model.) And it is always possible you'll need to shorten the driveshaft, but no one can seam to figure that problem out. Some people have to and others don't. I did for mine I know that.
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