SOLVED! 318 2500-3000 rpm idling issue. Don't think its a regular vacuum leak. Swapped 2 intakes, 2 carbs ,and 6 different gaskets still no luck.

George Jets said
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READ THE QUOTE PROPERLY!! He said “idle set screw is backed out entirely” you posted AI Bullshit for the IDLE MIXTURE SCREWS!!! And on top of that the information was ****. George, seriously stop it. You’re not helping anyone with this garbage.