The engine remains a popular classic among racers. The M103 6-cylinder engine originated in ... This 5.0-liter straight-6 flathead engine could be tuned to produce up to 210 horsepower with ...

Another ultra-reliable six-cylinder engine is Ford's mighty 300, a 4.9-liter unit that made its debut in 1965. It was designed exclusively for the American manufacturer's truck range, with the F ...

The Blue Flame Six is Corvette’s first engine, based on the architecture of an inline-six-cylinder Chevrolet truck engine known as the Stovebolt Six. Chevrolet engineers took that truck engine ...