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02-04-2013, 06:56 PM
#1
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Year: 99
Engine: 4.0
4.0L eng. question
i have an 89 cherokee 4.0L... the question is, can i swap the 4.0L out of a 93 grand cherokee into my 89 cherokee??? as far as i know they are pretty much the same but wanted to make sure before i buy the 93... thanks for any help
Last edited by D-Day; 02-04-2013 at 07:05 PM.
02-04-2013, 07:15 PM
#2
CF Veteran
the 93 is an H.O.
your 89 is renix, so it's not as simple as pull one and drop the other.
you will need to do a lot of swapping bits and pieces. (head/manifolds, throttle body, etc.) but it can be done.
actually, since it's from a zj, i would say no. i wouldn't bother anyways.
your 89 is renix, so it's not as simple as pull one and drop the other.
you will need to do a lot of swapping bits and pieces. (head/manifolds, throttle body, etc.) but it can be done.
actually, since it's from a zj, i would say no. i wouldn't bother anyways.
02-04-2013, 07:17 PM
#3
Herp Derp Jerp
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Year: 1999
Model: Cherokee
Engine: 4.0L OBD-II
Block-wise yes, but you'll need to keep your wiring and a few Renix-specific bits like the sensors and manifolds for the EGR and throttle body setup
For clarification:
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.
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.
02-04-2013, 07:18 PM
#4
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???
the block from the 89 needs work... but i can swap the head manifold and throttle body they are not on the 89 eng. right now anyway...basically i would have to swap the block and i would be ok???
02-04-2013, 08:32 PM
#6
Herp Derp Jerp
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Year: 1999
Model: Cherokee
Engine: 4.0L OBD-II
NP, real pain to find stuff on my phone though haha
D-Day I believe you'll need to tap a boss for the knock sensor. Otherwise the blocks are the same.
D-Day I believe you'll need to tap a boss for the knock sensor. Otherwise the blocks are the same.
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