You're not incompetent, an incompetent would still be at a loss w/o seeking the answer/solution or start doing hack things, lots of folks are unaware of the second adjustment slot. You've got it, but DO make sure the mech.adv operates freely, it should turn easily with thumb & finger to it's stop & snap back when released. The OE lube drys/cooks & gets gummy lots of times, just free'd up one on the '72 Satellite 383 I rebuilt the carb on ~a year and a half ago.