In 1973, Peter Gregg and Hurley Haywood won with a Porsche Carrera RSR, they repeated in 1975.

In 1978 Peter Gregg won a third time with a Porsche 935/77, together with Rolf Stommelen and Toine Hezemans.

Thirty-one years later David Donohue, Antonio García, Darren Law and Buddy Rice won the race in a Riley Mk XI with a Porsche engine in the 2009 24 Hours of Daytona.

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