[Bruce Robles]

rmb
It may be your cam timing. Most American Cars of the vintage of your engine were designed by the factory to run retarded. If you have a new cam that is timed on TDC and the wrong cam sprocket (your original type) and the wrong distributor curve, the thing will never work, regardless of what Carb you have on it. Sounds like you should get the specs on the cam, sprocket, and your distributor and call someone who has a clue what they are doing.

Or you could do the right thing and put a Ford in your car!

Good Luck!