While V6 and V8 engines are often associated with muscle cars, the origin of the "V" orientation engine actually didn't start ...
The Messerschmitt Me 323 Gigant was the largest land-based transport aircraft ... 2-stroke diesel engines, 745 kW (1,000 hp) each for take-off 6 Daimler-Benz DB 603G inverted V-12 liquid-cooled ...