I agree, but its what he said they were. Looks like to get 725hp@6800rpm the VE would have to be 96% with this combo. Bump that up to 7000rpm and 96% VE gives 750hp. Not sure where the peak HP will be with these heads and cam.

http://www.youtube.com/watch?v=aIxaesJ190U

http://youtu.be/lCZAaN7fFLg