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Type: Posts; User: k9ulan

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  1. Replies
    7
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    815

    would the pinging go away with retarded timing if...

    would the pinging go away with retarded timing if its the fuel pressure..?
  2. Replies
    7
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    815

    sorry, it is an 89 5.7

    sorry, it is an 89 5.7
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    815

    Follow up on Idle iissue

    I set the timing to 0 with the timing wire unhooked. Runs great, but, when driven it pngs and detonated terribly, so I have to retard the timing to get it to run ok, but still idles poorly.
  4. Thread: 89 idle issues

    by k9ulan
    Replies
    5
    Views
    915

    Thanks for the replies, a little more info. I...

    Thanks for the replies, a little more info. I set the timing to 0 with the timing wire unhooked. Runs great, but, when driven it pngs and detonated terribly, so I have to retard the timing to get it...
  5. Thread: 89 idle issues

    by k9ulan
    Replies
    5
    Views
    915

    Update:Changed tps , no change

    Update:Changed tps , no change
  6. Thread: 89 idle issues

    by k9ulan
    Replies
    5
    Views
    915

    89 idle issues

    I have an 89 Sierra, 5.7. auto,When I first got it it had very hi idle. I replaced base plate gasket nad idle air control valve. It ran fine for about a week. Now it idles rough , especially in drive...
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