Quote:
Originally Posted by Jonny H
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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You are probably correct about the multiple spark unit not working with the old tach.
Maybe someone has tried it?
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