Firing order 2.5 - JeepForum.com
Search  
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 > Models > Jeep Wrangler Forums > YJ Wrangler Technical Forum > Firing order 2.5

Stainless Steel Door Hinge PinsPoly Door Hinge BushingsDisc Brake Kits from ECGS

Reply
Unread 09-18-2012, 12:01 AM   #1
zte87
2.5 POWER!
 
zte87's Avatar
1993 YJ Wrangler 
 
Join Date: May 2010
Location: Mount Vernon, wa
Posts: 4,937
So I know the order is 1 3 4 2, but I am wanting to know if this diagram is right as far as the distributor cap goes? I only ask because I have seen a few different setup...... And I am trying to track down a intake back fire on my 93 2.5 and thought maybe I have a wire crossed.

Sent from my iPhone using JeepForum

image-346947510.jpg  
__________________
93 jeep yj bds 5 inch springs 5/8 boom shackles in the rear, locked front and rear dana 44/60 with front and rear chromoly shafts full cloak armor and 40 inch toyo's
january 2013 yjotm winner!
2013 yjoty winner!
http://www.jeepforum.com/forum/f22/m...build-1272253/

94 jeep zj bb lift, 31-10.50-15 toyo at2s, magnaflow exhaust!
zte87 is offline   Reply With Quote
Unread 09-18-2012, 12:08 AM   #2
5-90
Registered User
1988 XJ Cherokee 
 
Join Date: Sep 2006
Location: San Jose, CA, Hammerspace
Posts: 5,344
The order should also be cast into the intake manifold.

For determining #1 on the distributor, remove the plugs and turn the crank by hand. Have a helper hold their finger over the #1 plug hole - if you're TDC firing, you'll have pressure buildup in the cylinder. If you're not there, both valves will be open and there will be no pressure.

Typically, the relative locations of the towers is important - notice the two protrusions from the outer perimeter of the drawn cap? Those are the holddowns, and those are going to determine where you find #1 on the actual dizzy (which has likely moved.)
__________________
"recon" (sic - reckon)(tm) "hihgly"(tm) "seceed"(tm)
"Outback AIDS - Alcohol-Induced Dizzy Spells"
5-90 is offline   Reply With Quote




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.