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    TaChOmEtEr problem!

    1980 Points Ignition vs 1986 Thunderbolt ignition:mad: Is there a conversion I can buy and plug in to correct this problem? Memorial Day weekend 1980 Sea Ray SRV 310 project; Replaced Port 1980 454 Merc with a 1986 454 Mercruiser Straight Drive with thunderbolt ignition, plugged it in, Now...
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