Someone decided that a flat-eight needs to be part of 21st-century motoring, and we’re here for it. Runge Cars unveils an all-new air-cooled 5.3L flat-eight engine, the Hetzer. Engine offers modern ...

There’s no shortage of options if you’re in the market for a crate engine with eight cylinders, but just about all of them are arranged in a “V” configuration. Minnesota-based Runge Cars is bucking ...