Found this lab report on nasioc and thought it was very well done. They touch upon key points and provide good illustrations.
http://www.lightstormimages.com/gallery/cars/nasioc/downforce_without_wings_protec.doc
Very nice Ima print this
That was well written and hits all the major topics,
aero really is the competitive advantage in grassroots racing
at the higher levels everyone has it figured out already
awesome, thanks for that.