firing order - RX7Club.com - Mazda RX7 Forum

1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

firing order

Reply

 
 
Old 05-19-06, 01:31 PM
  #1
Newbie
Thread Starter
 
Join Date: May 2006
Location: princeton west virginia
Posts: 2
Thanks: 0
Thanked 0 Times in 0 Posts
Question firing order

hay can any one help i have a 85 rx7 and i cant get it to start i know its getting fuel, has new plugs, and wires, i know the distributor is good but i can only get one cylinder to fire so it must be out of time but i can only get the timing light to light on the one plug. i need to know what the firing order is the guy at the store said it was 1212 but what does that mean. i have it set on the top dead center mark but it wont even backfire. i need to know which 2 wires go to the coils and where the other 4 goes this t1, t, l1, l, l2, t2 stuff is wierd to me never had anything with a rotary engine in it. can any one help....
chris7695 is offline  
Reply With Quote
Old 05-19-06, 01:39 PM
  #2
Super Moderator
10 Year Member
iTrader: (3)
 
gsl-se addict's Avatar
 
Join Date: Jan 2003
Location: Lynchburg, VA
Posts: 5,096
Thanks: 0
Thanked 0 Times in 0 Posts
The bottom plugs are leading (L), the top are trailing (T). Looking at the engine, it should be:

T1 T2
L1 L2

The front housing is 1, the rear is 2. For the coils (black cylinders near battery), the one closest to the front of the car is trailing (T) and the other is leading (L). The wires should go from the coils to the distributor cap without crossing. Good luck. Welcome to the forums.

Kent
gsl-se addict is offline  
Reply With Quote
Old 05-19-06, 02:02 PM
  #3
Too old to act my age
5 Year Member
 
Rogue_Wulff's Avatar
 
Join Date: Feb 2005
Location: Tulsa, Ok.
Posts: 3,164
Thanks: 0
Thanked 0 Times in 0 Posts
Also, to expand on what Kent said, the leading coil wire goes in the L (center of cap), and the trailing goes into the T.
Rogue_Wulff is offline  
Reply With Quote
Old 05-21-06, 09:44 PM
  #4
FB Techie
5 Year Member
 
Paradox_Racing's Avatar
 
Join Date: Feb 2006
Location: Colorado Springs, CO
Posts: 54
Thanks: 0
Thanked 0 Times in 0 Posts
It almost sounds to me like bad plugs or wires though. Could also be a bad distributor cap or rotor. I have had bad luck with the Neihoff caps and rotors that most of the auto parts stores sell. I usually order mine from Victoria British, as they sell the Bosch parts that seem to fit a lot better. Look inside your cap for signs of cracks or arcing.
Paradox_Racing is offline  
Reply With Quote
Old 05-22-06, 07:42 AM
  #5
wheres my calculus book?
5 Year Member
 
gmanuser's Avatar
 
Join Date: Jan 2006
Location: st. george UT
Posts: 276
Thanks: 0
Thanked 0 Times in 0 Posts
you dont want to run tdc search the forums and thier is many advice on how to set the timming, it should be like -15 off tdc i belive but check the forums and they will tell you exactly.
gmanuser is offline  
Reply With Quote
Old 05-22-06, 08:08 AM
  #6
RX-7 restoration guy
iTrader: (91)
 
mazdaverx713b's Avatar
 
Join Date: Oct 2003
Location: Vermilion Ohio
Posts: 15,109
Thanked 16 Times in 16 Posts
its not the cap or rotor if you are getting spark at all. check your wires for continuity and check your ignitors connections and your coils.
mazdaverx713b is offline  
Reply With Quote
 
 
 

Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
Drft_lock
3rd Generation RX-7 (1993-2002) Parts
3
09-23-15 03:18 PM
FoXrAcEr2569
3rd Generation RX-7 (1993-2002) Parts
9
09-12-15 12:58 PM
windom
Adaptronic Engine Mgmt - AUS
4
09-11-15 04:48 AM
SakeBomb Garage
Vendor Classifieds
1
09-07-15 03:44 PM
SakeBomb Garage
SakeBomb Garage
1
09-07-15 03:32 PM


Thread Tools
Search this Thread
Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off



All times are GMT -5. The time now is 02:31 AM.


All content Copyright 2007 by Internet Brands, Inc.
 
  • Ask a Question
    Get answers from community experts
Question Title:
Description:
Your question will be posted in: