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Discussion in '40- & 55-Series Tech' started by bull, Feb 6, 2003.
what Vacuum port do you attach your distributor for the vacuum advance?
Main diaphragm > VTV > BVSV > Adavancer port
Sub-diaphragm > HAC
2F Engine Emission Control 1981 Repair Manual
You want the vacuum port that does not pull vacuum at idle, but only under load. Generally there are only two small ones down there for the dist anyways....I "think" it's the lower of the two, but not positive...
I have it connected to the port on the engine side of the carb. There is an adjustment screw nearby. Out of all the mystery ports it has ran the best here. :-/