ZJ 4.0 into XJ

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06-12-2013, 12:24 PM

DangerXJ

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Join Date: May 2011

Location: Vermont

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Year: 2000

Model: Cherokee

Engine: Str8 6 4.0l

ZJ 4.0 into XJ

I have a 00 XJ that needs motor; looking to do easiest swap possible. Not a lot of cheap 00/01 xjs or motors around. Needs to have coil setup and a good head! Any help or suggestions are appreciated
Thanks

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06-12-2013, 01:24 PM

Tony_SS

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Join Date: May 2013

Location: Washington, MO

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Year: 2000

Model: Cherokee

Engine: 4.0

I have read WJ or TJ and that the ZJ wont work due to how the acc are mounted.

I'm in the same boat.. need a new engine for my 2000

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06-12-2013, 05:50 PM

cruiser54

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Year: 1990

Model: Cherokee (XJ)

Engine: 4.0

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)