March 85G
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The March 85G was a mid-engined IMSA racing sports prototype, designed and developed by March Engineering in 1984 and used in sports car racing until 1988.[1][2][3][4][5][6][7]
The 85G was the last evolutionary stage of the 82G chassis, which March produced in 1981. The aluminum chassis was made in monocoque construction. The large ventilation opening between the headlights led the air under the car; this was intended to generate more downforce, but this was only partially successful.
Eleven chassis were manufactured at March, three of which were sold to Nissan Motorsports International. Two vehicles were fitted with V6 engines, the third received an in-line 4-cylinder engine. Nissan used the car in 1985 and 1986 as the Nissan R85V in sports car racing.
The remaining vehicles were sold to IMSA teams and equipped with different racing engines. Conte and Ralf Sanchez Racing relied on a V6 Buick turbo engine; the Leon Brothers Racing 85G ran a 6-cylinder Porsche flat engine and the DeAtley Racing car ran a Chevrolet V8 engine.[8][9]
