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.

Tune up kit

Thread Tools
 
Search this Thread
 
Old 01-29-2012, 04:43 PM
  #1  
Member
Thread Starter
 
944.0's Avatar
 
Join Date: Jan 2012
Location: Camdenton, Mo
Posts: 231
Likes: 0
Received 0 Likes on 0 Posts
Year: 94
Model: Cherokee
Engine: 4.0
Default Tune up kit

Anyone ever buy these tune up kits rock auto and such sell? Better off to buy the stuff separately? Some include filters and ignition stuff while others are just ignition.
Old 01-29-2012, 05:06 PM
  #2  
CF Veteran
 
freegdr's Avatar
 
Join Date: Mar 2010
Location: Broward County Fl.
Posts: 47,923
Likes: 0
Received 22 Likes on 22 Posts
Year: 1989 xj sport 2dr
Model: Cherokee
Engine: 12 hole bosch Injectors
Default

i use them just make sure you order the right parts returing thing bought online takes longer than local purchaseing...

Last edited by freegdr; 01-29-2012 at 05:08 PM.
Old 01-29-2012, 05:53 PM
  #3  
CF Veteran
 
tjwalker's Avatar
 
Join Date: Nov 2010
Location: In the middle of Minnesota!
Posts: 5,805
Received 99 Likes on 88 Posts
Year: 1999
Model: Cherokee
Engine: 4.0
Default

I buy all of my tuneup parts from NAPA. I like their "premium" line of products which for not much more money, gets you a cap and rotor with brass contacts which are superior to cheaper aluminum contacts.

And plain Champion copper plugs are all you need for your '94
Old 01-29-2012, 06:03 PM
  #4  
CF Veteran
 
ZINGGG's Avatar
 
Join Date: Oct 2011
Location: Seal Beach, CA
Posts: 4,440
Likes: 0
Received 2 Likes on 1 Post
Year: 1996
Model: Cherokee
Engine: 4.0 HO Straight Six
Default

I bought the Accel tune up kit from Quadratec. It works beautifully
Old 01-29-2012, 07:01 PM
  #5  
Senior Member
 
cranesrule's Avatar
 
Join Date: Dec 2011
Location: Central Arkansas
Posts: 669
Likes: 0
Received 0 Likes on 0 Posts
Year: 1996
Model: Cherokee
Engine: 4.0L
Default

I bought Borg Warner stuff from O'Reilly's. Wires, cap, rotor, and coil. And Champion copper plugs. Well worth it, I got a smoother idle, eliminated my misfire codes, gained about 1 mpg, and have stronger acceleration and more power throughout the RPM range.
Old 01-29-2012, 08:32 PM
  #6  
Member
Thread Starter
 
944.0's Avatar
 
Join Date: Jan 2012
Location: Camdenton, Mo
Posts: 231
Likes: 0
Received 0 Likes on 0 Posts
Year: 94
Model: Cherokee
Engine: 4.0
Default

Originally Posted by tjwalker
I buy all of my tuneup parts from NAPA. I like their "premium" line of products which for not much more money, gets you a cap and rotor with brass contacts which are superior to cheaper aluminum contacts.

And plain Champion copper plugs are all you need for your '94
We don't have any napas close. Used to be just Oreillys til a couple months ago.
Old 01-29-2012, 08:57 PM
  #7  
Member
Thread Starter
 
944.0's Avatar
 
Join Date: Jan 2012
Location: Camdenton, Mo
Posts: 231
Likes: 0
Received 0 Likes on 0 Posts
Year: 94
Model: Cherokee
Engine: 4.0
Default

Rick auto has Bosch platinum plugs for 3.87 I think. Bosch has a 3 dollar mail in rebate. Will they help performance and mileage?
Old 01-29-2012, 09:14 PM
  #8  
Senior Member
 
cranesrule's Avatar
 
Join Date: Dec 2011
Location: Central Arkansas
Posts: 669
Likes: 0
Received 0 Likes on 0 Posts
Year: 1996
Model: Cherokee
Engine: 4.0L
Default

Originally Posted by 944.0
Rick auto has Bosch platinum plugs for 3.87 I think. Bosch has a 3 dollar mail in rebate. Will they help performance and mileage?
No. Champion copper. Period. I replaced Bosch platinum plus 4's with champion coppers and had a huge improvement.

Last edited by cranesrule; 01-29-2012 at 09:35 PM.
Old 01-29-2012, 11:03 PM
  #9  
CF Veteran
 
ZINGGG's Avatar
 
Join Date: Oct 2011
Location: Seal Beach, CA
Posts: 4,440
Likes: 0
Received 2 Likes on 1 Post
Year: 1996
Model: Cherokee
Engine: 4.0 HO Straight Six
Default

x2 on champion coppers
Old 01-30-2012, 05:48 AM
  #10  
CF Veteran
 
tjwalker's Avatar
 
Join Date: Nov 2010
Location: In the middle of Minnesota!
Posts: 5,805
Received 99 Likes on 88 Posts
Year: 1999
Model: Cherokee
Engine: 4.0
Default

Originally Posted by 944.0
Rick auto has Bosch platinum plugs for 3.87 I think. Bosch has a 3 dollar mail in rebate. Will they help performance and mileage?
Don't go with Bosch. I generally like Bosch products, but there have been a few documented cases of the Jeep 4.0 engine developing a misfire with those plugs, which was resolved when owner switched plugs.

Get plain old Champion copper plugs. All your engine needs. Be sure to verify gap is .035 before installing! Never trust gap out of the box.
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
cpnwrench
Stock XJ Cherokee Tech. All XJ Non-modified/stock questions go here
13
02-15-2024 08:09 AM
Paco182
Jeep Builds
28
06-07-2023 12:07 PM
88cherokeewheeler
Modified XJ Cherokee Tech
15
11-19-2015 07:24 PM
CobraMarty
Modified XJ Cherokee Tech
0
10-01-2015 08:34 AM

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


Quick Reply: Tune up kit



All times are GMT -5. The time now is 11:46 AM.