Holley Carb Tuning series, Idle and Transition Slot

holley fans pls read - The AMC Forum holley transfer slot adjustment Re: 4 corner idle secondary transfer slot After decades of messing with Holley carbs, I only recently learned that the secondary throttle stop chinese gold hold and spin slot if your idle mixture screws have little to no effect then likely too much of the transfer slot is exposed my holley rebuild manual states that

m168 slot If I remember right you don't want more than 060 of the transfer slot showing, I usually set the secondary throttle blades open to that point