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Is there a difference between a marine and auto coil

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Old 07-12-2007, 07:32 AM
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Default Is there a difference between a marine and auto coil

Can I just go to Autozone and get an ignition coil for my 96 mercuriser 5.7L?
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Old 07-12-2007, 08:05 AM
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You must use a high vibration coil in a marine application. A car has rubber mounts for the engine which reduce vibration stress on coil. A boat dosen't.
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Old 07-12-2007, 08:11 AM
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The T bolt ignition is supposed to use a "special" $40 coil.
I bought a $10 GM, external resistor coil at a car patrts store and it's worked fine for years.
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Old 07-12-2007, 09:51 AM
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I got a pair of the high output high zoot chrome coils from Parts Source (Canadian version of Auto Zone)a few yrs back for my carb 350s with T Bolt ignition......no probs

wondered the same thing as you at the time but the ones I took out sure looked like standard automotive stuff to me.
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Old 07-12-2007, 10:19 AM
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The coil is hard mounted to the engine, no rubber mount. A coil is a coil, is a coil. Although I prefer Accel stuff due to good insulator plastic.
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