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1971

The very first year. A great idea!

1972

Peter Gregg won the title with a Porsche 911.

1973

Peter Gregg again with a Porsche Carrera RSR.


1974

Porsche Carrera RSRs dominate the field with Peter Gregg.

1975

Peter Gregg but BMW adding some excitement.

1976

Al Holbert in a Chevrolet Monza.


1977

Al Holbert again with a phase 2 Chevrolet Monza.

1978

Peter Gregg back with a vengeance in a Porsche 935.

1979

Peter Gregg for the last time in a Porsche 935.