Quadrajet Problem Solving > Dialing in your rebuilt Quadrajet carburetor

Which Recipe Best For My Setup?

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Tinkerman:
I was going back through the entire idle bypass air system and found the passages in the main body were plugged.

Will I have to remove the plugs in the picture to activate the idle bypass air for my carb?

Thanks,
Dan

Cliff Ruggles:
Yes, and most likely the carb was commercially "remanufactured" at some point.  Good news is that the screw in N/S assembly is still there instead of one of those POS pressed in deals......

old cars:
I did not think that carb had the baseplate drilled for idle bypass air from the factory

Tinkerman:

--- Quote from: old cars on August 29, 2021, 05:04:55 AM ---I did not think that carb had the baseplate drilled for idle bypass air from the factory

--- End quote ---

I think it might be setup for Idle Bypass Air. Here are some pics of what I was tracing out to be the Idle Bypass Air System for my carb from Air Horn down to Base Plate. Am I tracing the right pathways for Idle Bypass Air for my carb?

Thanks,
Dan

Cliff Ruggles:
You are correct with the location of the components for the idle bypass air system.

The carb looks clean, baseplate has been apart as noted by the non factory screws holding the throttle plates in place.

I'd check it over carefully.  Some companies to some additional "butchering" during the remanufacturing process, like clipping/cutting the post off the bottom of the power piston......

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