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  1. August 5th, 2003, 04:30 AM #1
    wiltie
    [OP] wiltie is offline
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    Default 1975 Mercruiser 4Cyl GM Motor

    I have a 1975 140hp GM Mercruiser Motor. Can someone please give me the firing order, point gap and plug Gap?Thanks Wiltie
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  2. August 5th, 2003, 05:56 AM #2
    Terry H
    Terry H is offline
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    Default Re: 1975 Mercruiser 4Cyl GM Motor

    You might get better response in the i/o forum...
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