Some of the 1972-1982 Le Mans Group.
It is a bit hard without a programme but I will ID what I can. I don't capture much more than the cars parked or trundling toward the assembling grid. My friend Bill.. did take some action shots from the " Corkscrew" corner area.
1976 Chevron B36 # 31 driven by Charles Nearburg.
1976 Chevron # 23 driven by Jim Devenport.
Ken H photo