Meet the Mefistofele, Fiat's 21.7-liter Record-Breaking Car from Hell

The story of the Mefistofele started in 1908, when Fiat introduced the SB4 chain-driven Grand Prix racer. After seeing it race, Sir Ernest Eldridge from Britain bought the car with the aim of turning it into speed record breaker. However, there was one problem: the original car's 18.0-liter engine was considered rather small by Eldridge, who decided to replace it with a massive airplane