I'm surprised that you couldn't get the Fast EZ EFI to work --- it really only needs a tach signal - which can be taken off the MSD box tach driver..... but obviously if the trigger isn't signaling the MSD box to fire correctly - then the tach signal is no good.
I'd have thought a crank trigger assembly off the balancer ala drag cars and many others - would do nicely for the signal. But who knows?
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