Sprints At Knoxville

Sprints At Knoxville

Sprint cars sail through a corner during the 1981 running of the Knoxville Nationals at Knoxville (Iowa) Raceway. (Max Dolder Photo)

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Sprint cars sail through a corner during the 1981 running of the Knoxville Nationals at Knoxville (Iowa) Raceway. (Max Dolder Photo)

Sprint cars sail through a corner d...