Vaccum

[newhippy]

I have a oil bath air filter on my 71 Bay with the vaccum controlled hot air flap, where should this be connected? My carb already has two vacumn lines going to the distributer. There is one port free, but I believe that originally went to a control to adjust for altitude. It is a California van.

 

[BRAD]

Vacuum pipe at the front of carb mate.
Not that I've got one that works