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Swap a 97ZJ stroker into a 96 XJ?

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Old 05-17-2018, 06:15 PM   #1  
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Year: 1996
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Engine: Jasper 4.0
Default Swap a 97ZJ stroker into a 96 XJ?

I recently purchased a 97 ZJ to help out a buddy. The motor has been built to a 4.7 stroker, but the transmission is junk. I was thinking about robbing the motor and putting it into my XJ. I know the accessories will need to be swapped around, but is there any problem with the long block itself?
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Old 05-17-2018, 11:17 PM   #2  
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Go for it.
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Old 05-17-2018, 11:22 PM   #3  
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The blocks should be the same.
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Old 05-18-2018, 08:13 AM   #4  
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The blocks should be the same.
They ARE the same.

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 the 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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