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Thread: Carb and/or TBI timing maps

  1. #1
    Moderator Turbo Mopar Staff Force Fed Mopar's Avatar
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    Carb and/or TBI timing maps

    Does anybody have these anywhere? Been tuning my '85 Charger 2.2 w/ a Weber 32/36 DFV and Hooker longtube, I've advance the timing up to around 17 or 18* initial and it responds and drives great. But, I have no idea what the curve is or what the total timing is at and haven't got a adjustable timing light. Would like to see the timing maps for the Charger 2.2 and the SC/GLH computers.

    Also would like to see the swirl-head 2.2 and 2.5 TBI timing maps to compare with my own custom turbo tunes and maybe improve them some out of boost.
    Rob M.
    '89 Turbo GTC

    2.5 TIII stroker, 568 w/ OBX and 3.77 FD

  2. #2
    Supporting Member Turbo Mopar Contributor mopar-tech's Avatar
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    Re: Carb and/or TBI timing maps

    Next time I'm out in the garage I'll look- At one time I had a 88-89 Omni TBI computer that I had de-chipped and was going through the tables identifying them and lost interest.


    Working on clearing the decks.

  3. #3
    Moderator Turbo Mopar Staff Force Fed Mopar's Avatar
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    Re: Carb and/or TBI timing maps

    Quote Originally Posted by mopar-tech View Post
    Next time I'm out in the garage I'll look- At one time I had a 88-89 Omni TBI computer that I had de-chipped and was going through the tables identifying them and lost interest.
    Thanks!
    Rob M.
    '89 Turbo GTC

    2.5 TIII stroker, 568 w/ OBX and 3.77 FD

  4. #4
    turbo addict
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    Re: Carb and/or TBI timing maps

    “If the people of the nation understood our banking and monetary system, I believe there would be a revolution before tomorrow morning.” -Henry Ford

  5. #5
    Moderator Turbo Mopar Staff Force Fed Mopar's Avatar
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    Re: Carb and/or TBI timing maps

    So, I kept playing with the timing in the Charger, had it up around 20-22* initial, ran better but was getting a tiny bit of ping while riding around the mountains on 87 oct. Switched to 93 oct and it acted like it didn't have enough timing again. Weird but whatever, bumped it a little more, got better again. At this point I'm really curious, so I borrowed my brother's adj light and check where I'm at.

    32*??! Revving it is showing up to about 54-58*. Seems crazy that it runs on that much timing, but it does and actually runs pretty good. I checked it with and without the spark advance line hooked up also. I've always heard people say the bathtub heads like timing, but damn lol.
    Rob M.
    '89 Turbo GTC

    2.5 TIII stroker, 568 w/ OBX and 3.77 FD

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