How Does An Electric Choke Work On A Quadrajet

This video explains the steps in properly setting your electric choke on your carburetor for the best performance possible.

How does an electric choke work on a quadrajet.

Does not include choke. In this video i use a complete mocked up assembly. Remove the air cleaner. This is a demo of how an electric choke works.

The components the choke circuit consists of the butterfly or choke plate the pull off also called a vacuum break the choke spring and the fast idle cam and screw. When using any of the other american autowire wiring kits such as a classic update power plus highway or builder series you simply need to take any ignition fused 12 volt feed use about a 10 amp fused and connect it to your electric choke assembly. New electric choke coil with flat blade terminal. This kit will convert hot air choke quadrajet carbs to electric choke.

The other end must be connected to an ignition activated 12 volt source. Inspect the choke system while the engine is cold. There will be a vacuum operated servo on the passenger side rear of the carburetor with a rod also attached to the choke mechanism. If the choke does not close enough turn the choke housing counter clockwise until the choke is just closed.

If the choke stays on too long or does not come all the way off then turn the choke housing clockwise until the choke just begins to open and stop and tighten the screws. It is a 7 9 volt source after cranking. With the engine cold loosen the screws in the cover. Prestige motorsports is a perform.

For electric choke hookup attach the bayonet end of the long electrical lead supplied to the positive terminal on the choke cap. Vacuum cap for the hot air port. Electric choke hookup adjustment. It has a spring located in the manifold with a rod running up to the plate.

The remote mic failed and so the soundtrack is missing. There seems to be some mystery about how to get these old hot air chokes working again or working better. Some of the hand gestures illustrate what the air loa. Universal to fit all quadrajets with electric or hot air choke elements.

The choke mechanism is the plate on the top of the carburetor. The choke plate should fully and easily close against the air horn when the throttle is opened slightly and the spring has tension on it.