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ignition timing?

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by BUSCO, Jan 1, 2002.

  1. BUSCO

    BUSCO Registered Member

    Joined:
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    Location:
    New York(11552)
    I believed that proper ignition timing was zero degrees on an '87 5.7 tbi,is this correct or not?Also I am using an MSD 6a ignition box should I open up the gap on the spark plugs a little?Thanks for any help.......
    PS> I stripped and repainted the upper radiator support so I don't have the emmisions sticker any more.OOPS
    <P ID="edit"><FONT class="small">Edited by BUSCO on 01/01/02 02:25 PM.</FONT></P>
     
  2. 4x4k20

    4x4k20 1/2 ton status

    Joined:
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    Location:
    williamson ga.30292
    0 degrees is rite just be sure to disconnect the timing connector i also would add about 10 thousandnt to your plugs

    4x4k20
     

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