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1971 USAC National Dirt Car Championship
The 1971 USAC National Dirt Car Championship was the first season of the newly formed United States Auto Club, USAC National Dirt Car Championship. The inaugural champion was George Snider. The Dirt Car championship was created after dirt races were dropped from the schedule of the USAC Championship Car series following the 1970 USAC Championship Car season, 1970 season. Technical rules The existing USAC National Championship was a mixture of road courses, hill climbs and paved or dirt oval races. For the 1971 USAC Championship Car season, 1971 season this championship switched exclusively to paved ovals. Especially on the paved ovals rear-engined cars dominated the races whereas on the dirt ovals the front-engined cars were superior. The cars' construction mainly stayed with front engines as established after World War II. The cars with wheelbase of at least 96 inches. Overhead camshaft engines were restricted to 256.284 cubic inches (4.2 liters) and stock block engine could ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
United States Auto Club
The United States Auto Club (USAC) is one of the sanctioning bodies of auto racing in the United States. From 1956 to 1979, USAC sanctioned the List of USAC Championship Car seasons, United States National Championship, and from 1956 to 1997 the organization sanctioned the Indianapolis 500. Today, USAC serves as the sport governing body, sanctioning body for a number of racing series, including the Silver Crown Series, National Sprint Cars, National Midgets, Speed2 Midget Series, .25 Midget Series, Stadium Super Trucks, and Pirelli World Challenge. Seven-time USAC champion Levi Jones (racing driver), Levi Jones is USAC's Competition Director. History When the American Automobile Association (AAA) withdrew from auto racing after the 1955 season, citing the 1955 Le Mans disaster, Le Mans disaster and the death of Bill Vukovich at 1955 Indianapolis 500, Indianapolis as contributing factors, both the Sports Car Club of America, SCCA and NASCAR were mentioned as its potential success ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
