1998 jeep cherokee motor swap questions
06-20-2012, 04:24 PM
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1998 jeep cherokee motor swap questions
So my 98 has a slight knock or tick lots of youtube vids have the same noise people seem to think its normal im not comfy driveing much longer with it. So I have found 2 grand cherokees 96&97 will the motors work from them if I reuse all of my stuff I know they changed the block in 96 and changed some more in 99 but not sure about in between there any help would be appreciated???
06-20-2012, 06:10 PM
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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. (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.
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.
06-20-2012, 11:21 PM
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That's good so, could I use the heads off them 2 year models and just change over all my fuel injection manifolds and etc...? With no wired problems with sensors and wiring?
06-21-2012, 06:59 AM
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Year: 1990
Model: Cherokee (XJ)
Engine: 4.0
Yes.
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