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Engine swaps

Old 09-05-2018, 03:25 AM
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try
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Default Engine swaps

Sooooo, I posted last year about a cracked head on my Momís Ď01 Cherokee XJ. Since then, the worst fears are realized, and the bearings at the camshaft are gone Sooooo. There is an Ď02 sheís interested in, the current owner is replacing a blown motor. If he hasnít acquired an engine yet, is it possible to use an Ď03 4.0 L6 from a Grand Cherokee, and if so, how difficult is such a swap? Iím asking because I know the Ď03 4.0 L6 should have the TUPY cast head, therefore less prone to cracking. TIA for any and all help
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Old 09-05-2018, 08:32 PM
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Found this.

Originally Posted by cruiser54 View Post

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)
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Old 09-13-2018, 03:24 AM
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Thanks for that
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