vacuum lines for heat ?

[71scamp78]

The canister in the pic is what I assume to be what a vacuum canister for the flaps in the heater box. Where is the best place to run the line to for the vacuum itself. I was thinking the front of carb for ease. I can do the intake but I have a plug in it so will the front of carb work. Well can't upload photo now but it's on a 71 dart and its the canister on the passenger fender

 

[my5thmopar]

What pic? Anyway full vacuum from the manifold. It runs all the controls and unless everything is new/rebuilt you need it. I just went through this today. Back of manifold and heat/AC all working now. BTW front of carb should be pcv and rear brake booster... Edelbrock anyway.

 

[71scamp78]

I use the big port in front of carb for pcv. There are two small ports one is used for the vacuum advance and other is blocked off. ...I figure I could use the one blocked off for for the vacuum

 

[TylerW]

As long as the port has manifold vacuum it should be fine. Originally the line from the vacuum canister hooked up to a vacuum tree which screwed into the intake.