I run stock 360 block std caps studs top and bottom 3/4 fill ,never dynoed it, at 3550 1.37 60 ft 6.0 113 and 9.57@142 over 750 hp would be my guess

1.37 60 ft [email]6.0@113[/email] [email]9.57@141[/email] 408 glide 3550lbs
new video http://www.youtube.com/watch?feature=player_embedded&v=Xvq3ZObywQE