If the pump is a high-pressure model, a pressure regulator must be installed in the line between the pump and the carburetor, not alcohol compatible.
80000103 Carbureted Fuel Regulator
Holley Carbureted Fuel Regulator
HOLLEY ALUMINUM BILLET CARBURETED FUEL PRESSURE REGULATOR 4.5 - 9 PSI
Holley HP Billet Carbureted Fuel Pressure Regulator 3/8" Black Aluminum 12-840
Holley Chrome Carbureted Fuel Pressure Regulator 1-4 PSI 3/8" NPT In/Out 12-804
Holley 12-887KIT Die Cast Carbureted Fuel Pressure Regulator Kit - Black