Idle Transfer Slot on secondaries?

340inabbody said

It dies and if you noticed like me it’s VERY SENSITIVE! Small fractional turns moved idle a lot!

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Man, just get you one of these and you won't have to remove the carburetor to futz around with it.
https://www.holley.com/products/fuel_systems/carburetor_components/brackets_and_linkage/parts/26-137