firing order? - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 12-03-2007, 07:26 PM   #1
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Default firing order?

could anyone pls help me with the firing order on a 94 SC??
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Old 12-03-2007, 08:57 PM   #2
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on the coils, from top to bottom it goes,6-3-2-5-4-1

on the eng, the front or side thats closest to the rad it is 1-3-5, starting on the pass side.

in the back eng side, is 2-4-6. also starting on pass side

that help?
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Old 12-03-2007, 08:59 PM   #3
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1-6-5-4-3-2

Name:  plugwires.jpg
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Old 12-03-2007, 09:05 PM   #4
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Quote:
Originally Posted by Technical Ted
1-6-5-4-3-2

thats much more helpful. nice job ted. a lil ms paint can goa long way.
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Old 12-03-2007, 09:15 PM   #5
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IIRC it was Harofreak that made that image.
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Old 12-03-2007, 09:51 PM   #6
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yup thats mine.. but feel free to use it!

I saw this post as I was heading out the door before and I couldn't find the image.. thanks Ted
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Old 12-04-2007, 09:32 AM   #7
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thanx allo t, for your help, is there any coil pack upgrades for my 94 SC?
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Old 12-04-2007, 10:46 AM   #8
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Yes. 97 and newer L67 (GTP, RegalGS, SSEi) coils are a little bit warmer than yours, and the MSD 8224 coils are slightly warmer than those.

But for the cost vs. benefit, it'* not worth upgrading until you crap a coil or two. Some people don't even notice the difference, and a majority of the top-25 cars here are still running on stock coils.
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Old 12-04-2007, 01:52 PM   #9
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cool thanx for the reply ,are roller rockers worth the money? or only with a higher duration cam??
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