Interesting read, but where did the magic piston speed of 1200 come from, and on what basis?

And would not a wide open throttle show the least pumping loss on a efi system that would be immune from a power enrichment zone if tuned correctly? Of course there would be no reserve power, but maybe a progressive throttle body or something would handle that. So the main advantage on throttle body percentage opening is simply pumping losses? I thought on a carb it was better fuel air mixing and velocity becuase of a partially open throttle, etc. EFI changes all that since fuel is under high pressure and sprayed