In removing the venturi adapter from my OS 7D carb and realized that I didn't pay attention to the direction of the spray bar. Is the opening in the bar 90° to the plane of the venturi so to speak? This would give the fuel a straight down sort of direction. I am having a rich mid range problem on my Moki 1.35 and am wondering if the old Super Tigre trick of cheating the spray bar by turning it might help the rich spot? So many questions, so little time