Ray Barton Racing Engines produced the same power, 1475 HP @ 7,500 RPM, with a 572 cubic inch push rod hemi superchared with a PSI screw supercharger and EFI. The engine idled at 900 RPM and run on pump 93 non lead gasoline. The engine was for a street machine
There is no free energy. The energy is coming from muscular contractions.