Runge Cars of Minnesota has released its latest creation, an air-cooled 5.3-liter flat-eight engine. Destined to power a lightweight, mid-engined supercar called the Runge R3, it'll also fit in the ...

Runge Cars is an extremely small custom car outfit based in Minnesota. It was started by Christopher Runge, who has made a name for himself and his vehicles with their spectacularly shiny and curvy ...

You probably haven’t heard of Runge Cars, a small outfit from Minnesota with a knack for doing things its own way, but you may want to start paying attention. This unassuming builder has just revealed ...

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 ...