G- Carb 06 Mastiff

[tatajoe]

As you all know there's 2 brass looking vent types on carb, one is already capped, what do I do with the other

 

[mleach72]

As you all know there's 2 brass looking vent types on carb, one is already capped, what do I do with the other

There should be a barb under the rocker box on the front head. It should be connected to the vacuum barb on the manifold as seen here.

 

[HMAN]

If you see no vent line, put a silicon cap on it to match the other. Btw, caps will rot and suck air making tuning somewhat of a pia. Not to mention crappy performance.

 

[tatajoe]

There should be a barb under the rocker box on the front head. It should be connected to the vacuum barb on the manifold as seen here.
View attachment 103665

I appreciate you brother. Thank you