Leon,

I does not matter what you are running a holley weber, rochester etc, one carb or 5 the fact is if you are 3 turns out your too lean on the idle circuit and you must richen up the idle circuit and re-adjust the air fuel til you get 1+1/2. The connection with the Holley weber is the same; if you are more than 1+1/2 out means the idle circuit is too lean and you must step up in ilde jets til you can adjust to 1+1/2 out.