Originally Posted by chasbmw
It seems to me to be strange that people have been fitting Mikunis to airheads for at least 20 years and there is no consensus on what the jetting should be.
Different engine combinations, altitude, etc. Even Bings, which compensate for altitude, were jetted differently over the years.
I'd venture to guess most combinations here aren't 100% optimal, including my own, unless a wideband and dyno were used.