Quote: it's sounds like I have a defective vacuum can?
The can is good if it ain't damaged and will also hold vacuum & I think we're good there. I'm thinking the inital timing is so far retarded that you have to open the throttle blades way beyond normal to get even a 750 rpm idle speed and that's sending vacuum to the ported nipple. Bump the timing up which'll increase the idle speed & see if you can close down the throttle to get the idle speed back down & see if the ported nipple then has no vacuum which is what we want & is correct functioning
live every 24 hour block of time like it's your last day on earth
