4 hole injectors and plug gap ? - Page 2 - JeepForum.com
Sign Up   Today's Posts
User: Pass: Remember?
Advertise Here
Jeep Home Jeep Forum Jeep Classifieds Jeep Registry JeepSpace Jeep Reviews Jeep Gallery Jeep Clubs Jeep Groups Jeep Videos Jeep Events Jeep Articles
Go Back JeepForum.com > General Technical Discussions > Engines & Drivetrain > 4 hole injectors and plug gap ?

Introducing MONSTALINER™ UV Permanent DIY Roll On Bed LineWeekend sale!! Our dual battery tray on sale $199FS: 2007-2013 Jeep Wrangler "HALO" Angel Eye Kit

Unread 09-06-2013, 03:47 PM   #16
Web Wheeler
cruiser54's Avatar
1990 MJ Comanche 
Join Date: Oct 2009
Location: Prescott, Arizona
Posts: 10,830
Originally Posted by Terry777 View Post
At least I warned it was a stupid question

Sure I`ve looked at it before wtf, not sure why that never registered. I got lost somewhere reading up about coil upgrades and the knot stuck...

Changed my plugs last night found the distributer cap and rotor covered in soot and worn beyond sand paper repair so off to Lordco for the brass...

I did the usual stupid move, got frustrated with one of the wires in a cramped area 3rd from the rear and yanked from the wire and boot together, the wired slipped right out with the end still on the plug. I had a large angled needle nose right beside me to...

Easy enough fix clamped the wire back into place but now the silicone seal is turfed, sounds fine can`t hear it missing...
Should I bother upgrading wires there NGK, look & feel new but are probably the stock cheap replacements.

I'd do new wires.

Originally Posted by chris87xj View Post
If you own a Renix Jeep, you'll want to check this out. >

An index to over 25 write-ups can be found in Post #1.

Cruiser's Mostly Renix Tips
My Jeep Technical Photos

cruiser54 is offline   Reply With Quote Quick reply to this message
Unread 09-07-2013, 01:29 AM   #17
Registered User
1997 XJ Cherokee 
Join Date: Oct 2010
Location: Coquitlam, British Columbia
Posts: 121
Originally Posted by cruiser54 View Post
DEFINITELY. Your Jeep has a coil.

Do the tune-up stuff before getting off on this coil rabbit trail.
Great advise thanks, I`m keeping it stock as possible it has more than enough power for me I don`t tow or do mud flats...

Lordco priced me NGK wires at $30 so that's a go...
Terry777 is offline   Reply With Quote Quick reply to this message
Unread 09-09-2013, 09:01 PM   #18
Registered User
1997 XJ Cherokee 
Join Date: Oct 2010
Location: Coquitlam, British Columbia
Posts: 121
New plugs made very noticeable change could be due to the olds being gaped between 40 & 45 mm they weren`t dirty or malfunctioning, looked like used ones should...

At idle Nice clean tick tick tick, sounds like an engine should no doubt my air box hack is helping the engine sound like it should due to it getting the air it wants...

New wires cap & rotor with brass, sounds even meaner...

Huge difference WOT tuned just right Throttle response very noticeable gains.

I`ll get back about the MPG gains later and before I put in the new injectors

I wanted to get all the sensors cleaned and tune up done before hand so I could get a more detailed read of the MPG gains of new injectors without having to guess if the others had anything to do with it...
Terry777 is offline   Reply With Quote Quick reply to this message

Quick Reply

Register Now

In order to be able to post messages on the JeepForum.com forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.
User Name:
Please enter a password for your user account. Note that passwords are case-sensitive.
Confirm Password:
Email Address
Please enter a valid e-mail address for yourself.
Note: All free e-mails have been banned due to mis-use. (Yahoo, Gmail, Hotmail, etc.)
Don't have a non-free e-mail address? Click here for a solution: Manual Account Creation
Email Address:


Human Verification

In order to verify that you are a human and not a spam bot, please enter the answer into the following box below based on the instructions contained in the graphic.

Thread Tools

Jeep, Wrangler, Cherokee, Grand Cherokee, and other models are copyrighted and trademarked to Jeep/Chrysler Corporation. JeepForum.com is not in any way associated with Jeep or the Chrysler Corp.