Received the 1405 and I need to know if the vacuum advance uses ported or manifold vacuum. They provide instruction on how to tell but it requires engine to be running and that I can't count on with the WCFB that just wants to belch black smoke and cut off. If it make any difference it's a 289 (1960 circa) with a Mallory distributer in a 54 hard top. Ken, Deltaville Va.
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My WCFB, on my 289, in my '55 LC uses ported vacuum for the distributor. I'd suggest that's what you want. I can't tell you, however, what vacuum port on 1406 will be ported, what will be manifold. -
Passenger side ported, driver's side full.
ErnieRComment
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Most all vacuum advance applications call for ported vacuum, passenger side on the Edelbrock64 GT Hawk (K7)
1970 Avanti (R3)Comment
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