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...and finished second despite an accident. For the 12 hours of Sebring the "Sunoco" made the pole but finished the race at the sixth position after making con The presence of the 512 M "Sunoco" forced Porsche to pursue his effort of research and development on the 917

...three litre prototype. In 1971, Penske entered an improved 512M (#1040) in Sunoco livery which was able to challenge the 917, taking pole position several ti

...and finished second despite an accident. For the 12 hours of Sebring the "Sunoco" made the pole but finished the race at the sixth position after making con The presence of the 512 M "Sunoco" forced Porsche to pursue his effort of research and development on the 917

| {{flagiconUSA}} [[Penske Racing|Roger Penske]] [[Sunoco]] Racing