1971 This is Skip Barbar in his (F1) 3-litre March 711- Cosworth DFV V8 at the Donnybrooke F5000 race in 1971. He finished 6th. Photo and info Ken Graser1972 F5000 Watkins Glen. Photo Robert R. Peron
1972 F5000 Watkins Glen. Photo Robert R. Peron1972 F5000 Watkins Glen. Photo Steve Gross /his father/1972 Watkins Glen. Photo/source FB1972 Watkins Glen F5000. Photo Bob Featherly1972 F5000 USA Road Atlanta. Photo Glenn Snyder1973 Mid-Ohio. Photo Robert Murphy1973 Laguna Seca. Photo Roger Rodgers1973
