• Holley 1940 Float

    The Holley 1940 carburetor originally used a Nitropyl type of float and because they tend to absorb fuel over time, we recommend that they be replaced at each carburetor rebuild. Once a Nitrophyl float has absorbed fuel it will become too heavy and allow more fuel to enter the bowl…

  • Carter WCFB Carburetor Float Circuit

    The purpose of the float circuit  is to maintain an adequate supply of fuel at the proper level in the bowls for use by the low speed, high  speed, pump and choke circuits. Primary and secondary bowls are separated by a partition. The fuel line connections is above the secondary…