I know many of you will already hone your HW comp tubes but it's been a while since i last bothered. I shouldn't have neglected this important aspect of springer health, the improvment was immediate. I have spent so long messing with countless variables but neglected a fundamental, without a decent crosshatch the springer cannot feed itself. Now she has micro channels feeding moly to the air mix and keeping the seal fluid. Don't forget first principles when fooling with the darkside.