A rare car competing in the 1966 Enduro race at GVR was a 1966 Vetta Ventura 5000 GT.
(Jerry Melton photo..)
This was an American car that looked like a Ferrari 275 GTB.
More about the Vetta - Ventura at this site.
https://www.hemmings.com/stories/art...entura-5000-gt
( Ken H..)