Engine of 1948 Tucker Sedan in Henry Ford Museum, December 1964

After problems with their own engine, Preston Tucker and his engineers selected a 334-cubic-inch, six-cylinder unit originally designed for helicopters. Once converted from air to water cooling, the flat-six engine performed beautifully in the Tucker 48, producing 166 horsepower. To ensure a steady supply, Tucker bought the company that built the engine: Air Cooled Motors of Syracuse, New York.