318 stalling from idle

Does the accelerator pump have a good strong shot? And does it begin as soon as the throttle moves?
1967 383 AFB had a special leather accelerator pump smaller diameter than like a 1406 Edelbrock I am used to working with, with the rubber Seal.

Leather seal could be getting dried out. Took a lot of hunting to find one of those but found one for the one I cleaned and rebuilt.


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