Hot Rod Forum : Hotrodders Bulletin Board - View Single Post - 1977 Chevy K20: Engine Suffers from Hesitation/Power Loss When In Drive
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Old 03-04-2012, 05:36 PM
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Originally Posted by lt1silverhawk
Good to know. I will have to check on this and verify, but I wana say it was cobalt who said in another thread that usually the idle mixture screws on a Q-jet are turned out 4 full turns.

Thanks for the continued help!

Idle mixture screws have nothing to do with setting idle speed.

Idle speed may change however when using your vacuum guage to set the idle mixture screws.
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