1971 johnson 100hp msd conversion ?

keithnra

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Joined
Jun 23, 2018
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Im trying to convert my 71 100hp johnson from cdi to Msd
i have researched this and have read that some have had success! My only ? Is when the article by Doug Byant says that u have to gound out one of the coils, how is this actually done? It says to ground the coil wire, does that mean the spark plug wire itself coming out of the coil? Says its cutting voltage in half this way anybody got any sketches of this setup
 
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