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Old 11-13-2014, 04:27 PM
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Found a potential donor motor and wanted to solicit some feedback.

Anyone have any experience with the 02 TJ 4.0L? What's the good and the bad? Looks like a direct swap into a 01 XJ.
Old 11-13-2014, 04:37 PM
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All I've ever heard is that the block casting for all the mounts are different. Been like that since '99 I think. WJ too
Old 11-13-2014, 05:03 PM
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XJ Cherokee and ZJ Grand Cherokee 4.0L engine blocks interchange.

2000+ TJ Wrangler and WJ Grand Cherokee 4.0L engine blocks interchange.

XJ/ZJ blocks and 2000+ TJ/WJ blocks do not interchange without significant modifications. (1997-1999 4.0L TJ Wrangler blocks will interchange in XJ/ZJ and visa-versa).

TJ/WJ 4.0L Engine blocks underwent clean sheet design changes effective in the 1999 WJ Grand and 2000 TJ Wrangler.

These blocks are not interchangeable with XJ/ZJ engine blocks. The reason is motor mount bolt holes and belt driven accessory mounting bolt holes are in different locations, or not present at all, TJ/WJ vs. XJ/ZJ.
Old 11-13-2014, 05:05 PM
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^^^info was copied and pasted from cruiser54's posts
Old 11-13-2014, 05:08 PM
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Well ****, that blows. Thanks Wonders for the info.
Old 11-13-2014, 05:48 PM
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Originally Posted by XJwonders
^^^info was copied and pasted from cruiser54's posts
THIEF!

Shoulda posted the whole thing though.
Old 11-13-2014, 05:56 PM
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Originally Posted by cruiser54
THIEF! Shoulda posted the whole thing though.
I did. I googled your post and c/p the entire post. I'm guessing maybe it must have been an old post lol
Old 11-13-2014, 07:21 PM
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Alright, you're off the hook.

Here it is in it's entirety.

XJ Cherokee and ZJ Grand Cherokee 4.0L engine blocks interchange.

2000+ TJ Wrangler and WJ Grand Cherokee 4.0L engine blocks interchange.

XJ/ZJ blocks and 2000+ TJ/WJ blocks do not interchange without significant modifications. (1991 to 1995 YJ and 1997-1999 4.0L TJ Wrangler blocks will interchange in XJ/ZJ and visa-versa).

TJ/WJ 4.0L Engine blocks underwent clean sheet design changes effective in the 1999 WJ Grand and 2000 TJ Wrangler. These blocks are not interchangeable with XJ/ZJ engine blocks. The reason is motor mount bolt holes and belt driven accessory mounting bolt holes are in different locations, or not present at all, TJ/WJ vs. XJ/ZJ.


XJ: "Regular" (not Grand) Cherokees 84-01
ZJ: Grand Cherokee 93-98 (Gen1)
WJ: Grand Cherokee 99-04 (Gen2)
YJ: Wrangler 87-95 (Gen1)
TJ: Wrangler 97-06 (Gen2)
Old 11-13-2014, 07:38 PM
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I used this thread that I found on Google.. Lol

http://www.jeepforum.com/forum/f11/4...topics/1405083
Old 11-13-2014, 07:41 PM
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Originally Posted by XJwonders
I used this thread that I found on Google.. Lol

http://www.jeepforum.com/forum/f11/4...topics/1405083
Before it was edited and refined, I imagine....

Cool none the less. Thanks for posting it up.
Old 11-13-2014, 08:14 PM
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Originally Posted by XJwonders
^^^info was copied and pasted from cruiser54's posts
Uhoh. Now you owe him royalties. Payable in IPAs.
Old 11-13-2014, 08:18 PM
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What's the hell is ipas? Lol
Old 11-13-2014, 08:24 PM
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Old 11-13-2014, 08:31 PM
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Oh u mean beer? Why didn't u say so, there were no need to use fancy and big words!
Old 11-13-2014, 08:41 PM
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Specificity is important. Just like I can be bribed with Rotella...


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