In the 70s, Webber Cams had a simular if not the same formula. I used it building a 750cc Norton, tuned for 6000rpms. It ran like a scalded cat. When you shifted into 4th gear the front tire would still skirt the ground.
In note one he states that 4-2-1 is the WRONG WAY for inline 4 cyl engines, pretty sure he would have meant it is wrong for one bank of a V8 with 90° firing intervals.
