Corey now that you have tried most electrical =?'s (archive)

Corey I am glad you enjoyed the S.W., My question is now that you have tried all of the different ignition systems on the market which do you like the best, the most recent, the MSD or Crane? I need to do something about this for my car, but I don't want to become an Electrical engineer. Thank You
K.C.K. Greenboro NC.
:-}

Actually, if you were to try to use a vacuum sensitive ignition timing with sidedrafts it would _have_ to be a vacuum retard, as you would only be able to plumb for manifold vacuum, not carb vacuum.
At least from the way I understand it, if you are grabbing manifold vacuum (between the throttle butterflies and the head), then you are reading the degree to which the throttle is closed. If you are grabbing carb vacuum (outside the throttle butterflies) then you are reading the degree to which the throttle is open.
So when you open the throttles, manifold vacuum drops, and your vacuum retard diminishes. I don't think you want to drill into the carb bodies themselves to plumb for carb vac.
Me, I don't even have a distributor anymore, so this is all based on past conjecture.
Corey

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