There were times during the 1960s and 1970s when Formula 1 cars weren’t always the fastest cars in the world around a road course. Big-banger sportscars sometimes grabbed that accolade and few provided bigger bangs than the machines of the Canadian-American Challenge Cup.
Can-Am’s no-holds-barred heyday ran from 1966 to 1974, and Jackie Oliver was the era’s final champion. Driving the Tony Southgate-designed Shadow-Chevrolet DN4, the Briton won four of the five rounds, leading team-mate George Follmer to a 1-2 in the standings.
