Autolite 4100 4 Barrel Carburetor Secondary Circuit This video describes how the Autolite 4100 works:https://www.youtube.com/embed/43IoNVZd_PEThe secondary throttle plates are operated...

I have a Holly 4180 carb that has had a leak at the accelerator pump area. I ordered a diaphragm...

This check weight is used in the main discharge. 1st the check ball, then the check weight. The check weight...