Helmick, John Graves, and noted professional Porsche factory driver Hurley Haywood won the 1977 24 Hours of Daytona in a two-year-old Porsche Carrera RSR entered as "Ecurie Escargot." Haywood would have normally driven for a factory-supported team but was wary of the reliability the new turbocharged Porsche 934 and Porsche 935 entries they were fielding. He elected to drive with the underfunded Escargot team with their naturally aspirated Carrera. Helmick drove in other notable sports car races of the day such as the 12 Hours of Sebring in the World Championship of Makes.
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