Make sure the fuel pressure is not to high, had to add a fuel press regulator to get pressure down to about 2 lbs, carb was overflowing! lots of potential problems with vintage fuel systems, make sure tank, lines etc are clean and clear.

It's easier to get forgiveness than permission!
1946 1/2-Ton Chevy
1953 Chevy 3/4-ton Factory Stakebed