Ignore the formula. I got it from a very old email and it is
wrong. Perhaps Walter will correct it.
In a message dated 5/18/2009 7:39:13 P.M. Central Daylight Time,
Sky2high@aol.com writes:
Finally, thanks to Walter at GAMI,
%HP = 100-((max RPM/100-RPM)*2.5+(Max MP-MP)*3.5)