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I have read many posts on the idle mixture screw adjustments on Holley carbs.I read 1-1/2 turns out for a starting point on all carbs. I have read 3/4 turn out for a starting point.
I have been told from cab. experts 1-1/2 turns out on a 2 corner carb. and 3/4 turn out on 4 corner idle circuits.
Does anyone know for sure what is the right amount of turns for a starting point? 3/4 to 1-1/2 is quite a difference.

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No one can say what your engine will like.. Every engine is diff. Cam size plays a roll, way to many variables. If your interested in learning how to properly tune your engine, get a base line and start making changes... Only one change at a time though...

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I AGREE 100% YOU ARE RIGHT BOB.