390 double pumper vacuum

Killer6 said

That is probably a NAPCAR legal 390cfm HP, older list #is 0-80507-1, many of those HP's have no external vacuum ports on the throttle body.

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This ^^^^ is what it is. He may have to come off the manifold for any vacuum. That would mean manifold vacuum for the distributor so he'll have to adjust the timing accordingly, but no biggie.