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  1. CenTxk5blazer

    CenTxk5blazer Registered Member

    Joined:
    Oct 19, 2002
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    Location:
    Fort Worth, Texas
    I need to know the timing for a 91' /forums/images/graemlins/truck.gif with a 350 auto. Is it just top dead center?
     
  2. Don

    Don 1/2 ton status

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    Location:
    Spokane Washington
    Probably around 8-10 before should be ballpark, there should be a decal under the hood, on the radiator support somewhere.
     
  3. CenTxk5blazer

    CenTxk5blazer Registered Member

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    The writing on the plastic has rubbed off.
     
  4. BeaterK20

    BeaterK20 Guest

    every TBI motor i've ever seen "factory specs" on say to adjust it to "O" or TDC. i've heard that they run good at 8-12, but you sacrafice fuel economy.
     
  5. 88Silverado

    88Silverado 1/2 ton status

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    Location:
    Quartz Hill, So. Cal
    If its a spark advance controlled system, its usually zero.
    You will need to disconnect the wire from the ECM to time it. I assume that the setup you have.
     

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