Vizard is a great writer. His info is pretty good.
But be careful. If you are not careful, sometimes trying to follow him will take you down a rabbit hole.
Mine was a long and somewhat expensive journey.
Eventually I learned what was real, what was applicable to the situations/carbs I was working with, and therefore my mistakes were a part of learning.
But it all started with trying to do some of the things suggested in Vizard's
How to Build Horsepower V2