Holley Vacuum Carb Question
We have a 74 Camaro with a 383, 12.5/1 compression, solid roller cam, Vic JR intake with a vacuum holley carb.
The carb was used when I got it but nearly new. However, I have never thought it was working right.
What I noticed today, at about 1000 rpm idle, I can lift the secondary plate open a little and when I do, the motor dies dead. With engine off, I can lift the secondary open a little without opening the primary all the way etc.
My quesiton is, if I open the secondary with the engine running, should it die like that? I set the idle up to about 1500 rpm and it did the same thing. There appears to be no gas going in the secondary. The bowl is full however when you look in the inspection port.
Should it be doing this?