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Registered
Join Date: Jul 2013
Location: South East England
Posts: 1,710
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Hmm, MSD. When driven from the coil, you might find that the slow multi spark output from MSD unit causes your tacho to over read below 3400 RPM. Above that RPM, the MSD units aren’t multi spark.
Best bet is Bob Ashlock’s ‘TachAdapt’.
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