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Thread: tuning for highway mode-timing for V6

  1. #1
    Fuel Injected!
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    tuning for highway mode-timing for V6

    this is for my 2.8 fiero, all stock except for the 7730 and S_AUJP....

    just wondering what is the max I can set the advance to for light cruise. right now its at 45* in the 40-50 kpa range.
    '86 Grand National

  2. #2
    Super Moderator
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    Camden, MI
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    so..... you're looking for a GM factory main spark table, or perhaps the GM highway mode spark table?
    1995 Chevrolet Monte Carlo LS 3100 + 4T60E


  3. #3
    Fuel Injected!
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    Quote Originally Posted by RobertISaar View Post
    so..... you're looking for a GM factory main spark table, or perhaps the GM highway mode spark table?
    no ive already transferred the main spark tables over from another V6 bin, just wondering how much is a safe number for highway cruising. so far the max timing is at 45* at light cruise(40ish kpa), ill post up the tables once I get home in a few hours.
    '86 Grand National

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