1 Willi Kauhsen, driving the Bosch-sponsored Porsche 917/10, wins both heats of the Interserie race on the Nürburgring in West Germany (1973).
3 Vern Schuppan and Naohiro Fujita drive the Nova Engineering Porsche 956 to victory in the 500-kilometer Japanese Sports Car Championship race at Suzuka. First 956 win in the JSC (1983).
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