Holley Carburetor Fuel Filter First, if your Holley carb has the sintered fuel filter housed at the fuel bowl's inlet fitting, you should replace it if your engine makes more than about 375 to 400 hp. Use a high-quality, in-line, freeflow, coarse fuel filter at the pump inlet. Use a fine fuel filter anywhere after the pump and prior to the pressure regulator.
Holley Carburetor Fuel Filter Is there a minimum size post pump filter for a carburetor? I originally had a carb but went to EFI. I changed my old carb filters to the EFI pre (100 micron) and post (10 micron) filters. Holley part numbers 162-551 & 162-552. I'm returning to a carburetor setup, and I'm replacing the fuel pump with a Holley Blue Pump 12-802 & Pressure Regulator 12-841.
Holley Carburetor Fuel Filter The Holley Fuel Bowl Inlet Fittings for Holley carbs include adapters for AN hose, inverted flare hard tube and rubber hose (Barbed) to the fuel bowl. The inlet fitting plugs and gaskets prevent dangerous fuel leaks! Fittings are sold 1/pkg unless stated otherwise, gaskets are sold 2/pkg.
Holley Carburetor Fuel Filter How to change a carburetor fuel filter. This is a Rochester Quadrajet carb.