Holley 1920

Holley 1920 Floats The 1920 carburetor used 2 different floats through the years and neither one is manufactured any more....

The idle fuel is fed through the main jet through the idle well, then mixed with air through the idle...

Which Springs Go On The Diaphragm? I have a 1920 Holley that has the accelerator pump with THE FLAT notched...

Gas is leaking out the back of the accelerator pump and down the outside of the carburetor. The pump stem...

Holley 1920, 1 Barrel Choke System The 1920 used a divorced choke type. This means the thermostat is located in...

There are several carburetor kits for the Holley 1920. Please be sure to match up your carburetor number with the...

Idle screw – This screw/spring may work on most 1920’s. 80-87 + 66-52 Fuel pump pressure 4.5 lbs

Gas leaking out of a throttle shaft means the carburetor is flooding. Flooding can be cause by any one of...

Main Jet 1920 Carburetor Kits

At idle the vacuum is at the highest point. This vacuum pulls up the economizer diaphragm. The economizer diaphragm is...

How to Buy Your Holley 1920 Carburetor Kit. Even when you think your carburetor is the original that came with...