TheMarch 783 andMarch 793 areopen-wheelFormula 3race car chassis, designed, developed, and built byMarch Engineering between 1978 and 1979. They are very similar in design, with the 793 essentially being aground effect version of the 783; with lower side pods and skirts. Between them, they won a total of 24 races, including three non-championship races in 1979, withKenny Acheson. The 793 chassis in particular was extremely successful, and completely dominated the 1979 season, with BrazilianChico Serra clinching the1979 British Formula Three Championship, after winning 5 out of the 20 races. ItalianAndrea de Cesaris was runner-up, placing second in the championship; having also won 5 races with the March 793. New ZealanderMike Thackwell placed third in the championship, having won 4 races with the March 793 chassis. They were powered by either aToyota orTriumphfour-cylinder engine.[1][2][3][4][5][6][7]
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