There are 2 check balls. One for the discharge, located in the carb body, the other for inlet which is located in the plunger itself, but if you don't have a return spring under the plunger, you certainly won't have proper operation!


My 1955 GMC 450 Dump Truck
In the Stovebolt Gallery
Elderly Iron
"Performance" is the pursuit of a toy that won't break.