Stock XJ Cherokee Tech. All XJ Non-modified/stock questions go here XJ (84-01)
All OEM related XJ specific tech. Examples, no start, general maintenance or anything that's stock.

4.0 L engine swap (quick question)

Thread Tools
 
Search this Thread
 
Old Jan 31, 2011 | 11:16 AM
  #1  
Trey's Avatar
Thread Starter
Newbie
 
Joined: Jan 2011
Posts: 19
Likes: 5
From: TX
Year: 1993 RHD
Model: Cherokee
Engine: 4.0 HO
Default 4.0 L engine swap (quick question)

I have a 1987 Cherokee and the motor went south on it. I found one out of a 2000 will it bolt in? Were there any changes made to the engine mounts or the transmission bolt patterns?

Thanks for any help you can give me.
Reply
Old Jan 31, 2011 | 11:28 AM
  #2  
mud_digger's Avatar
Senior Member
 
Joined: Feb 2010
Posts: 713
Likes: 0
From: central michigan
Year: 1997
Model: Cherokee
Engine: 4.0
Default

it will bolt in
Reply
Old Jan 31, 2011 | 12:36 PM
  #3  
wildspear's Avatar
CF Veteran
 
Joined: May 2010
Posts: 1,680
Likes: 5
From: Western Michigan
Year: 1993
Model: Grand Cherokee
Engine: 4.0l inline 6
Default

It will bolt in. Might be a few small changes (sensors) but it will bolt in just fine.
Reply
Old Jan 31, 2011 | 12:37 PM
  #4  
XJ711's Avatar
Newbie
 
Joined: Jan 2010
Posts: 21
Likes: 0
From: N.KY
Year: 98
Model: Cherokee
Engine: 4.0
Default

It will bolt in....but....yours has a distributor, 2000 and up has coil packs...lot's of things have to change.
Reply
Old Jan 31, 2011 | 12:42 PM
  #5  
1991Jeep_Man's Avatar
CF Veteran
 
Joined: Oct 2009
Posts: 2,867
Likes: 16
From: Fauquier County, Virginia
Year: 1991
Model: Cherokee
Engine: I-6 4.0 HO
Default

Make sure you grab the coil pack, ECU, sensors, wiring harness, etc...

Your basically tossing a 2000 OBD II 4.0 into a Renix XJ... not just a cakewalk lol
Reply
Old Jan 31, 2011 | 12:58 PM
  #6  
wildspear's Avatar
CF Veteran
 
Joined: May 2010
Posts: 1,680
Likes: 5
From: Western Michigan
Year: 1993
Model: Grand Cherokee
Engine: 4.0l inline 6
Default

Forgot about that> I have a 2000xj so I just take that stuff for granted
Reply
Old Jan 31, 2011 | 03:40 PM
  #7  
Trey's Avatar
Thread Starter
Newbie
 
Joined: Jan 2011
Posts: 19
Likes: 5
From: TX
Year: 1993 RHD
Model: Cherokee
Engine: 4.0 HO
Default

It looks like the mounting point is still there to stab the distributor. I might have to change the camshafts out but it looks doable
Reply
Old Jan 31, 2011 | 04:43 PM
  #8  
wildspear's Avatar
CF Veteran
 
Joined: May 2010
Posts: 1,680
Likes: 5
From: Western Michigan
Year: 1993
Model: Grand Cherokee
Engine: 4.0l inline 6
Default

Originally Posted by Trey
It looks like the mounting point is still there to stab the distributor. I might have to change the camshafts out but it looks doable
You should do a write up on your swap, Im sure many of us would like to see how you change over a newer engine to an older cherokee.
Reply
Old Jan 31, 2011 | 05:55 PM
  #9  
MallCrawlXJ's Avatar
CF Veteran
 
Joined: Jan 2011
Posts: 2,765
Likes: 0
From: Littleton, CO
Year: 1991
Model: Cherokee
Engine: 2001 4.0L
Default

yes it will swap in. i put a 2001 engine in my 91 xj.

yes i know its not a renix, but a 4.0 is a 4.0 as far as bolting up....i have been told tj blocks have different mounting holes for the motor mounts. i have never looked to confirm.

you just stab the distributor in the coil pickup hole(its the same hole as a distributor). just use all the brkts and accessories off of your 87. only use the block, head, and valve cover and it works like a charm.....no need to change cams.


EDIT-there was one difference. the 01 engine did not have a hole on the back head for the temp sensor. i made an adapter to put the sensor in my heater core feed line. its not hard to do.



pm me with any questions.

Last edited by MallCrawlXJ; Jan 31, 2011 at 06:12 PM.
Reply
Old Jan 31, 2011 | 06:30 PM
  #10  
knuckleduster271's Avatar
Seasoned Member
 
Joined: Dec 2010
Posts: 321
Likes: 1
From: north central ohio
Year: 1994
Model: Cherokee
Engine: flux capacitor
Default

Arent 2000 models notorius for head issues?

Last edited by knuckleduster271; Jan 31, 2011 at 06:34 PM.
Reply
Old Jan 31, 2011 | 06:41 PM
  #11  
XxXJ99xX's Avatar
CF Veteran
 
Joined: Jul 2010
Posts: 1,971
Likes: 5
From: WNY
Year: 1999
Model: Cherokee
Engine: 4.0 High Output
Default

Originally Posted by knuckleduster271
Arent 2000 models notorius for head issues?
Yes they are. If your going to get something from a newer xj then get something 97-99 they dont have head issues because they have a different casting. If you want the best go for a 99 if you can get the intake/head with it because it flows better then other years.
Reply
Old Jan 31, 2011 | 06:43 PM
  #12  
MallCrawlXJ's Avatar
CF Veteran
 
Joined: Jan 2011
Posts: 2,765
Likes: 0
From: Littleton, CO
Year: 1991
Model: Cherokee
Engine: 2001 4.0L
Default

yep. i didnt really think of that.....use the 87 head.
Reply
Old Jan 31, 2011 | 06:44 PM
  #13  
AMG's Avatar
AMG
CF Veteran
 
Joined: Jan 2011
Posts: 1,245
Likes: 0
From: Lexington, KY
Year: 1997
Model: Cherokee
Engine: 4.0 HO with a bored throttle body and 703 injectors
Default

IIRC it is both the 2000 and the 2001 that can have issues.
Reply
Old Feb 1, 2011 | 01:31 PM
  #14  
Trey's Avatar
Thread Starter
Newbie
 
Joined: Jan 2011
Posts: 19
Likes: 5
From: TX
Year: 1993 RHD
Model: Cherokee
Engine: 4.0 HO
Default

Thanks for all the info guys. I am going to pick up the motor. I will let you knoe how it goes...
Reply
Old Feb 1, 2011 | 02:03 PM
  #15  
413maxwedge's Avatar
Senior Member
 
Joined: Jan 2011
Posts: 689
Likes: 2
From: Upstate N.Y
Year: 2000.1999,1996
Model: Cherokee
Engine: 4.0
Default

All you really need to do is swap all your renix onto the ho block and head. You might have to check if the older intake will bolt up to the 0331 head or if the newer intake will work out ok. Make sure the 0331 is the newer casting also. It will be worth haveing the better head.(bad head casting mid 1999 thru early 2001)

Last edited by 413maxwedge; Feb 1, 2011 at 02:06 PM.
Reply



All times are GMT -5. The time now is 03:16 PM.