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  • Cat-Power commented on kyleg001's instructable Automobile Tachometer on an outboard9 months ago
    Automobile Tachometer on an outboard

    Hello, iv got a question for you. I have an old 2 stroke aircraft engine that I rebuilt that has four magnets, so 4 poles=2 pulses? It is a 12v system, could a tach from a car be used without any modification? Or could I use a boat tach with the 4 cyl / 2 pulse setting?

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