For 1991 Bourbonnais signed with Courage Competition to race in the 1991 World Sportscar Championship. The team ran a Cougar C26S which contested the C2 class, for cars built according to 1991 Group C regulations. At the 1991 430 km of Monza the Canadian made his debut alongside Michel Trollé. The duo finished tenth overall. At the 24 Hours of Le Mans the team was joined by Marco Brand. The team retired after 293 laps.