In America, Ulmann had become a key member of the Sports Car Club of America (SCCA) and used his position to urge entrepreneur-turned-racer Briggs Cunningham to take his modified Cadillac race cars ...
Three 2025 V-Series R race cars at Daytona. In 1950, Briggs Cunningham and Miles and Sam Collier raced Cadillac Series 61 coupes at Le Mans. Those two cars had Cadillac 5.4-liter OHV V-8 engines.