Carburetor cfm calculator
That’s what most guys do not understand. It’s a bit weird as well. The bigger is better thing gets in the way. Even though they get the “Combo is everything!” Mantra.
It also gets worse with a thousand opinions and suggestions thrown in. In most carb threads, I’ll just make a basic recommendation and that’s it really. I never really get into the race stuff recommendation. I’m not super versed in it and there is normally something more and deeper to it.