Quadrajet Problem Solving > Diagnose a Quadrajet carburetor problem

Accelerator pump discharge opening

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milkcrateracing:
 I have a 7042910 which was rebuilt by  the carb shop when they were in Ontario Ca. Throttle shaft has been rebushed surfaces machined yada yada. I am trying to retain the 73 jets and 44B rods. This carb is a large main air bleed carb. I am building it for my ZZ3 motor. I have bushed the main air bleeds down to .068 from .115 in the main body and the air horn. The accelerator pump holes are .075. Do I need to bush them down as well to geet to .026 or .028? I am trying to follow recipe number one.

Cliff Ruggles:
Look further into the holes, the real openings are much deeper and probably around .026"....Cliff

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