Hi: I'm reading the carb tuning how-to's on this site and I realize I may be turning the wrong screws and going around in circles. My setup does not have any emissions from (#1 to #6 and #13) in the diagram, so I have four screws I may adjust #8, two #10's and #14 (excluding the mixture nuts but I understand how they work). Adjust idle fuel and balance: I don't know what the screw at #8 is called but I'm supposed to disconnect the ball and socket there or back off the screw? Then I use