there is some great info here well worth a look
http://www.performancegarage.com.au/blog/cnc-myth-busting


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