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

Jeep head replacement 2001 to a 1999

Old 04-20-2016, 12:10 PM
  #1  
Newbie
Thread Starter
 
Join Date: Apr 2016
Posts: 1
Model: Cherokee
Default Jeep head replacement 2001 to a 1999

I'm looking to swap my head on my 2001 because It is cracked . Anything I need to know before I go buying anything ? And will a 99 head work if it's non coil pack ? This is my Cherokee in the picture below

Joethejeep is offline  
Old 04-20-2016, 12:17 PM
  #2  
Moderator CF K9-unit
 
Dumajones's Avatar
 
Join Date: Apr 2012
Location: Alaska
Posts: 5,840
Year: 2000 sport
Model: Cherokee (XJ)
Engine: New 4.0l from s&j engines
Default

The 99 head don't have tapped bolt holes to hold the coil rail. You will have to make some brackets to hold it.

Here is a good link on how..
http://www.naxja.org/forum/showthread.php?t=937214

Last edited by Dumajones; 04-20-2016 at 12:20 PM.
Dumajones is offline  
Old 04-20-2016, 03:00 PM
  #3  
CF Veteran
 
RoyalXJ's Avatar
 
Join Date: Jul 2009
Location: West Deptford, NJ
Posts: 1,836
Year: 97
Model: Cherokee
Engine: 4.0
Default

Look into a TUPY head swap.
RoyalXJ is offline  
Old 04-20-2016, 03:51 PM
  #4  
Senior Member
 
Join Date: May 2014
Location: Colorado
Posts: 672
Year: 2001, 1997
Model: Cherokee
Engine: 4.0L
Default

Clearwater replacement head or TUPY are the easiest swaps. The intake manifold changed to a new style with different sized ports so that needs to be addressed as well if using a earlier head.
md21722 is offline  
Old 04-21-2016, 04:54 AM
  #5  
HUH? WHAT?
 
XJwonders's Avatar
 
Join Date: Jan 2013
Location: west chester, pa
Posts: 19,100
Year: 1999
Model: Cherokee(XJ)
Engine: 4.0
Default

Look for a Tupy 0331 or a Clearwater head. Don't bother with swapping in older heads
XJwonders is offline  
Old 04-21-2016, 05:57 PM
  #6  
Banned
 
Join Date: Feb 2014
Location: Florida
Posts: 2,379
Year: 2000
Model: Cherokee(XJ)
Engine: Golen 4.6L
Default

Another vote for the Clearwater 0331. Bolt it on and go.

You can use the 0630 head from the '99, but it takes a little more work. First, you either have to rig up some brackets to hold the coil rail on, or you have to convert to a Chrysler minivan coil pack with spark plug wires (AKA the "Viper" coil conversion because it was also used to spark the first six cylinders of the Dodge Viper). If you go the second route, you get rid of the coil rail altogether and mount a similar three-coil pack next to the coolant overflow bottle instead.

Second, it's the exhaust ports that are smaller on the 0331, not the intake ports. Your existing intake manifold will work fine with the 0630, but you have to use the correct manifold gasket to avoid exhaust leaks where the ports don't match up to the '01 exhaust manifolds. You may be tempted to try to use the '99 exhaust manifold instead, but you can't. The '01 has two 3-cylinder exhaust manifolds in place of the '99's single 6-cyl manifold. They come out in two collectors that feed into the twin catalytic converters that the earlier years didn't have. Even if it were legal to remove those cats, it would be a considerable headache to do so.

The Clearwater head is the 0331 design with the deck beefed up so it won't crack. For less than $600 and an afternoon's work, you avoid all that crap. The only reason to use the older head is if you have one already or can get one dirt cheap.
extrashaky is offline  
Old 04-22-2016, 08:39 PM
  #7  
Senior Member
 
bryweb's Avatar
 
Join Date: Nov 2011
Location: Tallahassee, FL
Posts: 592
Year: 1998
Model: Cherokee
Engine: 4.0
Default

I disagree, put a 0630 head in (your 99 head), It has bigger exhaust ports, then buy an ebay header for $110 to fit over them, and use some chevy starter shims to make coil brackets.....

0630 head is cheaper and a better performer, I don't see any reason not too !!!!, $50 head and $110 header vs. $600 for a 0331 head

I have done a few 00-01 Cherokee to 96-99 motors, pm me with any questions.

PS: Antifreeze has been known to take out the Cam Bearings (ask me how I know), if you lose oil pressure after the oil (not antifreeze) warms up you will know.

http://www.ebay.com/itm/00-06-Jeep-W...hVgKfE&vxp=mtr
bryweb is offline  
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
2001kmxj
Jeep Builds
8
09-02-2016 02:29 PM
Gehretboy
Stock Grand Cherokee Tech. All ZJ/WJ/WK Non-modified/stock questions go here!
18
05-04-2016 05:18 PM
kclcpa
Vehicles
0
04-06-2016 10:13 PM
Gunmetal Pearl XJ
Modified XJ Cherokee Tech
8
03-26-2016 12:01 PM
DrShaggford
Stock XJ Cherokee Tech. All XJ Non-modified/stock questions go here
23
03-24-2016 12:36 AM

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

Thread Tools
Search this Thread
Quick Reply: Jeep head replacement 2001 to a 1999


Contact Us - Archive - Advertising - Cookie Policy - Privacy Statement - Terms of Service

© 2019 MH Sub I, LLC dba Internet Brands

We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites.
 
  • Ask a Question
    Get answers from community experts
Question Title:
Description:
Your question will be posted in: