Carter AVS...where does this line go?

[olddog12]

Simple question for you guys Im sure but where does this line go? To the charcoal canister? Its a 4966 Carter.

 

[mguner]

Vacuum advance

 

[olddog12]

I saw that pic in my searching but wasn't positive, thanks mguner.

There is also a vent of some sort coming out the back of the carb, any idea what that is for?

 

[mguner]

If it just pokes into the air horn area it is a draw port for a choke stove. Slightly larger than the vacuum pipes on the front, smooth and coming down at an angle? That carb would have a tube for external bowl vent on the passenger side if it were for a carbon canister version. That hump with the flat on the side is where that tube would be.

 

[rumblefish360]

Plug the one on the back.
Run power brake line to the manifold.
PVC on the other line up front.

 

[olddog12]

Here is the line coming out the back.

 

[Abodybomber]

Plug the one on the back.
Run power brake line to the manifold.
PVC on the other line up front.

This.... Unless you are doing a full restoration,( that carb number,runs to early 70's big block Mopars, BTW..)possibly a vacuum controlled A.C/ air conditioning port. Just a guess,on my part. Hopefully ,others chime in...

 

[65Val]

That rear port can be used for power brakes if your manifold has no provision for it.... it's straight manifold vacuum anyway.

 

[olddog12]

Excellent, thanks guys!

 

[mguner]

I think that is the one that went to the thermactic air cleaner valve. Actually I am sure of it.