Mark wrote: "Typical four stroke engines (such as cars and Corvairs) spin twice for every time they fire (one TDC is for compression stroke, the next one is for exhaust stroke), so a Corvair six times per two revolutions, (averages firing three times per revolution), so I have it set correctly for my engine type."
That is true... I feel a little silly now... :o I blame it on having to be up at 5am... So.... what do you think is up with the tiny tach and the EIS?