Plus that weekend, there were two exciting IROC races (International Race Of Champions ) where all the drivers had the same Roger Penske team prepared Camaros and they would all go out and just hammer them ! The US drivers had an advantage when it came to drafting but the others were much braver through the corners. It was all good stuff to watch.
This was the field for that year.
Name: 1975 IROC. Riverside..JPG Views: 1331 Size: 162.6 KB

(Ken Hyndman )