Formula Atlantic Series
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The Swift DB4 is an open-wheel formula racing car chassis, designed, developed, and built by American Company Swift Cars, (which later became Swift Engineering) for the Formula Atlantic spec-series, between 1987 and 1997. It won the championship for five consecutive years in a row (1988–1992). It was powered by naturally aspirated 1.6 L (98 cu in) Toyota 4A-GE four-cylinder engine, producing about 240 hp (180 kW), which drove the rear wheels through a standard 5-speed manual transmission.