[Michael C Henry]

I have the Dove tunnel wedge 2x4 intake. It's a single plane.I've made a port under the main plenium that connects the two carbs . Originaly I did it incase I had to incorperate a pvc. 1/4"npt and a brass elbow facing rearward with a short peice of blue silicone hose long enough to clear the carb bases. with the intake on and in the car you cat reach under the plenum withyour hand. At this point I have it hooked to a small vacuum storage tank inside the firewall .I was afaraid of pulsing vacuum with my cam for the Vintage Air heater and defroster ,as all Vintage Air products were vacuum controled. The carbs have the black secondary spring change covers for the secondaries.One cover has a hole the other cover has a peice of small tubing sticking out.I have an exagerated U of the same small tubing. One side of the U being longer than the other .The tubing connects the vacuum secondaries as a balance tube . The short end of the small U tube goes into the front carb vacuum secondary diaphram cover and the longer end connects to the short piece of tube byway of a small peice of vacuum hose. The longer side U tube lays on the choke cable housing anchor of the front carb as it goes to the rear carb That is all the vacuum plumbing my setup has .The distributer is centrifigual advance.