Reply to "Idle Vaccuum"

bosswrenchMember

Husker, not sure with your Holley distributor, but Ford distributors and those aftermarkets that use Ford's vacuum advance apparatus have adjustable vacuum. You stick an allen wrench (3/32?) in the hose bib and turn it clockwise or counterclockwise to adjust the vacuum level applied to the advance plate. Some engines like more than others- cam, compression etc.

11/29/152:56 PM

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