Air Power - Invisible Co-Pilot
The article below was issued in a 1972 school science magazine.
It is based loosely on the 1971 Daytona 500 and the use of the Daytona with the 305 cubic inch engine against the standard bodies with the larger engines, and introduces students to the world of aerodynamics.   It's a pretty good read.  It will be clearer & easier to read if you click on the blue link below.   .   . 

Click on the blue link below to view and print the complete article.