I'm sure if I'm wrong in my assumption and understanding of what made and still does, the Hemi so good was it huge valves and its ability to inhale and exhale large volumes of air. The hemispherical heads also allowed for more complete combustion. They still scare a lot of Bowties and blue ovals. JM2CW. Dennis --- Don Dulmage <big-d@xxxxxxxxxxxx> wrote: > I believe the Hp figures were pretty accurate. > After all this was during the HP race. > A race hemi I am sure was good for 500 hp but we are > talking about a street hemi. Dennis '04 Ram Hemi __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com