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, 06:15 PM
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Originally Posted by lt1silverhawk
Oh, so its strictly a timing issue then.

Btw, I just tried adjusting the idle screws down to 5 full turns ,and then 4 full turns. Both times, the truck started up and revved with no issues and immediately shut off when the ignition was cut. So I am hoping that, at least for the time being, the engine is in an acceptable operating zone in case i need to move it before getting to the timing.

If its idling too high, do not adjust the mixture screws.
Idle speed is set by the idle speed screw on the driver's side of the carb.
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