I have a question,
I just put in a holley 670 SA. And now when i break hard the car stalls out sometimes (I think it is getting flooded). Is this a vaccum problem? I am thinking that the vac needs to be fiddled with since the vaccum tubes hook right up to the carb.
--Dan

 

Vacuum is a product of the engine, which is tapped by other systems to accomplish other purposes. The vacuum isn't "supplied" to the carb via those hoses to make it run. If one of the things to which vacuum is supplied is leaking, or an unused port not capped off, that's a different issue.

Make sure the float levels are set correctly. Then adjust idle, etc.

 

is the brake booster bad?
If that's bad, it will act like a huge vacuum leak