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timing mark

Discussion in '1992-Present Chevy & GMC models' started by gmaniat, Dec 12, 2002.

  1. gmaniat

    gmaniat Registered Member

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    I have a 89 sub. and do not know what the timing mark should be set on. Does anyone know exactly where it should go. It is TBI and people have told me anywhere from 10 BTDC to 0 TDC.
     
  2. MOABDADC22

    MOABDADC22 1/2 ton status

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    </font><blockquote><font class="small">In reply to:</font><hr />
    people have told me anywhere from 10 BTDC to 0 TDC.

    [/ QUOTE ] That is correct. The ECM will adjust the timing depending on driving conditions.
     

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