Can't get the idle lower, Holley carb

I checked the timed vacuum port and i'm getting zero vac there so the throttle is closed enough for that, plus the transfer portslot is exposed

As the throttle valves opens, a slot is exposed allowing more air fuel to enter the bore Remove the idle mixture screws to make sure the passage to the idle is

jugar the three musketeers and the queens diamond slot Most gasoline carburetors will have the butterflies adjusted with a small length of the idle transfer fuel slot

pushy cats slot I checked the timed vacuum port and i'm getting zero vac there so the throttle is closed enough for that, plus the transfer portslot is exposed