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change from ported to manifold dist. vacume advance - CorvetteForum - Chevrolet Corvette Forum Discussion
Qjet - which port for vacuum advance? - The 1947 - Present Chevrolet & GMC Truck Message Board Network
Is this where I hook up Vacuum Advance on a Holley 4160? - The 1947 - Present Chevrolet & GMC Truck Message Board Network
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