ZJ 4.0 to 90 YJ 4.2 engine swap - JeepForum.com
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post #1 of 2 Old 03-06-2017, 08:57 PM Thread Starter
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YJ Wrangler 
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ZJ 4.0 to 90 YJ 4.2 engine swap

Hey all, i keep seeing all sorts of write ups on XJ 4.0 engine swaps and I got to thinking. Has anyone done a ZJ 4.0 swap into a YJ? I'm curious to see what's out there

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post #2 of 2 Old 03-07-2017, 01:21 PM
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1992 XJ Cherokee 
Join Date: Feb 2007
Location: Ewing, NJ
Posts: 1,705
XJ and ZJ 4.0s are the same (minus some accessory brackets, IIRC) so the swaps would be nearly identical.

- Justin

1992 Cherokee Laredo - mostly stock, DD. 300k miles and counting

2004 Grand Cherokee Laredo - 4.7, bone stock - Wife's DD

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