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Thread: Firing Order

  1. #1
    Join Date
    Jul 2012
    Location
    usa North Carolina
    Posts
    1

    Default Firing Order

    What Is Firing Order On 2004 LLy Duramax And What Side Is Number One On

  2. #2
    Join Date
    Apr 2001
    Location
    CA
    Posts
    13,573

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    Welcome aboard!

    Firing order is: 1-2-7-8-4-5-6-3. The #1 cylinder is the front/right (USA passenger side). Odd # cylinders on the right, even on the left. This is opposite of previous common GM gas/Diesel V8 engine series.
    1985 Blazer 6.2
    2001 GMC 2500HD D/A
    dmaxmaverick@thedieselpage.com

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