Modified XJ Cherokee Tech XJ (84-01)
All modified tech questions. If it modifies your XJ beyond stock parts ask it here.
Sponsored by:
Sponsored by:

2.5 to 4.0 motor swap

Thread Tools
 
Search this Thread
 
Old Sep 17, 2016 | 11:20 AM
  #1  
Redseal08's Avatar
Thread Starter
Newbie
 
Joined: Sep 2016
Posts: 16
Likes: 0
Model: Cherokee
Default 2.5 to 4.0 motor swap

I got a 96 Cherokee with a 2.5L 5spd and I was wondering if I could do a motor swap with a 4.0 that came out of a 94 grand Cherokee and everything bolt up to motor mounts and tranny and transfer case.
Reply
Old Sep 17, 2016 | 11:43 AM
  #2  
4BangerDanger's Avatar
Seasoned Member
 
Joined: Dec 2015
Posts: 467
Likes: 6
From: Sioux Falls, SD
Year: 2001
Model: Cherokee (XJ)
Engine: 4.0l
Default

I have a 2.5L 5-speed myself. I've looked into the swap, and for me it's not worth it. People have done it and if you search around this forum and others you'll find threads on it. It's a huge undertaking - you'll have to swap out pretty much everything. Most people will tell you to just sell your XJ and buy one with a 4.0 in it. If you are determined to have a 4.0 that will be the best/easiest way to get one. I suppose if you found a donor Jeep for cheap you could do the swap if you really wanted.

What are you wanting to do with your Jeep? IMO the 2.5L is not nearly as underpowered as some make it out to be. The inline 4 is just as reliable as the inline 6. Really the only time I notice that I have a smaller engine is on the interstate... It doesn't like 80 mph too much... But on two-lane highways it handles just fine at 65/70 mph.

Now if you're wanting to build a rock crawling torque monster... Yeah you'll need a different engine. But for DD use and light to medium trails you'll be fine with the 4 banger IMO.
Reply
Old Sep 17, 2016 | 12:03 PM
  #3  
Redseal08's Avatar
Thread Starter
Newbie
 
Joined: Sep 2016
Posts: 16
Likes: 0
Model: Cherokee
Default

Well the problem is someone custom rigged a different alternator(alternator is now bad) and Ac compressor so nothing matches up. They got rid of the stock alternator bracket. Does not have idler or tensioner pulley or power steering pump. It does run and drive for I drove on and off the trailer. But I'm having trouble finding jeeps with the 2.5 in my area at salvage yards. So i found a running and driving 94 Jeep Grand Cherokee with the 4.0 for 300 bucks from a friend and want to swap motors cause it sounds like my only choice.
Reply
Old Sep 17, 2016 | 12:33 PM
  #4  
Monstereagle79's Avatar
Member
 
Joined: Dec 2010
Posts: 157
Likes: 3
From: West Chicago IL
Year: 99
Model: Cherokee
Engine: 4.0
Default

350 swap!
Reply
Old Sep 17, 2016 | 01:29 PM
  #5  
Redseal08's Avatar
Thread Starter
Newbie
 
Joined: Sep 2016
Posts: 16
Likes: 0
Model: Cherokee
Default

I just wanna know if the motor out of the 94 grand Cherokee will bolt up to my tranny and transfer case on my 96 Cherokee XJ that's got a 5 spd manual
Reply
Old Sep 17, 2016 | 02:28 PM
  #6  
cleenrob's Avatar
CF Veteran
10 Year Member
 
Joined: Jul 2012
Posts: 4,104
Likes: 2
From: San Antonio, TX
Year: 1996
Model: Cherokee
Engine: 4.0L
Default

if your going to do a swap i would do an ls swap or a vw 1.9 alh diesel swap , or a 5.9 if you want to stay chrysler
Reply
Old Sep 17, 2016 | 02:37 PM
  #7  
Big David's Avatar
CF Veteran
10 Year Member
Liked
 
Joined: Jun 2011
Posts: 2,720
Likes: 44
From: Gainesville GA
Year: 1999
Model: Cherokee (XJ)
Engine: 4.0
Default

Originally Posted by Redseal08
I just wanna know if the motor out of the 94 grand Cherokee will bolt up to my tranny and transfer case on my 96 Cherokee XJ that's got a 5 spd manual
It's not a straight bolt on. The bolt patterns on the engines are different. You might could find a adapter but it might be cheaper to find a AW4 or possibly use the transmission from the donor if it is 4wd.
Reply
Old Sep 17, 2016 | 05:42 PM
  #8  
XJwonders's Avatar
CF Veteran
Premium Member
 
Joined: Jan 2013
Posts: 19,219
Likes: 45
From: west chester, pa
Year: 1999
Engine: 4.0
Default

You don't want to use that 5 speed behind a 4.0. It's way too weak. You should find another 5 speed that originally came behind a 4.0.
Reply
Old Sep 17, 2016 | 08:38 PM
  #9  
Rockhead's Avatar
Senior Member
 
Joined: Mar 2011
Posts: 770
Likes: 1
From: VA
Year: 2000
Model: Cherokee (XJ)
Engine: 4L, 6 cylinder, 190 hp, 225 ft lp torque
Default

Sorry Redseal08, don't have anything about the engine swap. But, I do know that you will want the 4:10 geared axles out of your present Cherokee in your 4.0 Cherokee. (:
Reply
Old Sep 17, 2016 | 09:47 PM
  #10  
4BangerDanger's Avatar
Seasoned Member
 
Joined: Dec 2015
Posts: 467
Likes: 6
From: Sioux Falls, SD
Year: 2001
Model: Cherokee (XJ)
Engine: 4.0l
Default

Originally Posted by Redseal08
I just wanna know if the motor out of the 94 grand Cherokee will bolt up to my tranny and transfer case on my 96 Cherokee XJ that's got a 5 spd manual
It won't bolt up. You want an AX15 transmission. Keep an eye on Craigslist and search around. You should be able to find one fairly cheap.
Reply
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
MadMMegN
Introductions
12
Sep 9, 2016 08:49 PM
ERICH128
Stock Grand Cherokee Tech. All ZJ/WJ/WK Non-modified/stock questions go here!
1
Sep 3, 2016 12:28 AM
trev0006
Cherokee Chat
0
Sep 1, 2016 07:28 PM
ChampCherokee
Stock Grand Cherokee Tech. All ZJ/WJ/WK Non-modified/stock questions go here!
2
Aug 22, 2016 05:17 PM
John Benfer
Stock Grand Cherokee Tech. All ZJ/WJ/WK Non-modified/stock questions go here!
0
Aug 20, 2016 10:34 AM

Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 



All times are GMT -5. The time now is 09:56 AM.