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    globalwiz's Avatar
    globalwiz Posts: 2, Reputation: 1
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    #1

    Jan 21, 2009, 05:13 PM
    No spark 1968 F100 390 engine
    What causes a 1968 Ford F100 engine to have no spark? The voltage to the coil is < 2V with a new battery. The truck shot a blue flame through the carburetor the last time it ran, after that the battery died.
    TxGreaseMonkey's Avatar
    TxGreaseMonkey Posts: 16,761, Reputation: 5597
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    #2

    Jan 21, 2009, 06:10 PM

    Sounds like the distributor may be installed out of phase, which is dramatically affecting timing. Remove spark plugs, set #1 cylinder at TDC, and ensure the rotor points to the #1 terminal inside the distributor cap.
    TxGreaseMonkey's Avatar
    TxGreaseMonkey Posts: 16,761, Reputation: 5597
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    #3

    Jan 21, 2009, 09:12 PM

    Your reasoning is flawed. You have multiple problems.
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