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Old 05-20-2005, 02:52 PM
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Quadrajet Idle question

How do i adjust idle speed on a factory quadrajet?

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Old 05-20-2005, 02:59 PM
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Turn the screw.
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Old 05-20-2005, 03:01 PM
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Thanks, i would have never guessed that it would be adjusted by a screw .

There is no screw that i see that contacts the linkage.
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Old 05-20-2005, 03:18 PM
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On mine, the screw is on the driver's side. It is partially hidden, keep looking.
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Old 05-20-2005, 03:48 PM
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If its a pre electronic Qjet, the idle speed screw is just inboard of the throttle linkage. Its a 5/16" hex/slotted screw mounted on the side of the carb. Head of the screw faces the front of the car.

If the carb has an idle solonoid, follow the engine decal on how to set the base idle and the activated idle speed.

Mark
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Old 05-20-2005, 04:07 PM
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Quote:
Originally Posted by Jmark
If its a pre electronic Qjet, the idle speed screw is just inboard of the throttle linkage. Its a 5/16" hex/slotted screw mounted on the side of the carb. Head of the screw faces the front of the car.

If the carb has an idle solonoid, follow the engine decal on how to set the base idle and the activated idle speed.

Mark

Thank you. i will take a look to see if i can find it.
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Old 05-20-2005, 04:12 PM
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It may be hiding behind some brackets, but its there.

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