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.

Bewy said
George,
I do not know where the lower quote in post #66 came from, but it is wrong. The T-slots are are part of the idle cct, not the main cct.
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It came from google AI. Where everything he posts comes from. It’s garbage.