Holley Idle Screws Set At 34 Turns

Holley Idle Screws Set At 34 Turns holley transfer slot adjustment I was just watching the Holley video on carbs and they sate to adjust the idle mix screws 14 turn clockwise to lean out and counter to richen slot aams 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

slot aams The idle screw should be set to where 18″ of the carburetor's transfer slot Holley If your aftermarket carburetor of choice is either

slot member Adjust the spring-loaded bolt and nut until the clearance is eliminated This should require only a slight adjustment to minimize the clearance  Yes, adjust the butterflies so the transfer slot looks square not a long rectangle About 040 If the transfer slot is covered, you will