From Vintage Racecar, here's an article on the IMSA racing icon (photo credited to Dennis Gray)

  https://vintageracecar.com/frisselle-and-the-z

Edited January 11, 20197 yr by NVZEE

I remember watching Brad's 'Frisbee' compete at Mont-Tremblant (then also known as St-Jovite) in the revived Can-Am series of the mid/late-1970's. Radical-looking car for its day.