956 passes 917 at Waterford Hills
Early Porsche 356 (circa late 1940's)
Porsche 917 3.0 litre
Porsche 917 and RSR
Porsche 935 and 907 at Waterford Hills
Porsche 935 at Waterford Hills
Porsche 956 at Waterford Hills
Porsches at the Waterford Hills pits