Quote: As I said, ported vac is generated by the flow of air thru the venturi, the higher the flow, the more vac.
??? by saying that you saying that at WOT you should have the most vac. then. no? thats wrong.
vac advance only works at part throttle where you have vac. at WOT the vac advance is just along for the ride. your dist. is fully mechanical at that point.
