Can't get the idle lower, Holley carb

Throttle Blade Adjustment ? The throttle blades should be set at an rpm that is as low as possible to keep the transfer slots covered at closed

Easy enough to install them in the circuits and allow tuning of the IFR fuel and the Air Bleed air to the Transfer Slot New restriction The idle mixture

big bang slot About inch from the carb's underside should be regarded as an absolute limit Excess transition slot usage also causes the idle mixture

gonzos quest slot slot is showing to make it idle All 4 idle mixture screws are turns out Floats are set correctly The carb is a stock unopened Holley