I have the same setup as you and have no issues with fast idling. I would start by disconnecting the throttle cable from the carb so you can rule it out. Then proceed with JW51’s advice. Good Luck🍀

Last edited by Phak1; 04/20/2023 11:54 AM.

Phil
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1952 Chevrolet 3100, Three on the Tree, 4:11 torque tube
Updated to: ‘59 235 w/hydraulic lifters, 12v w/alternator, HEI, PCV and Power front Disc Brakes
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