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1971 USAC Championship Car season

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USAC 1971 Fair Stock 150

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Joe Leonard wins USAC Championship Car Series 1972

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The USAC Racing Tradition

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1968 USAC Midgets at San Jose

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Langhorne 1971

The 1971 USAC Championship Car season consisted of 12 races, beginning in Rafaela, Argentina on February 28 and concluding in Avondale, Arizona on October 23. The USAC National Champion was Joe Leonard and the Indianapolis 500 winner was Al Unser. This was the first year that road courses and ovals were separated from dirt courses in the Championship.
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