Shelby Supercars (SSC), manufacturer of the ultra high-performance Ultimate Aero Twin Turbo, set the new "World’s Fastest Production Car" record earlier today with an average top speed of 255.83 mph. Confident of the 1183 hp vehicle’s abilities, SSC set out to validate their top speed claim in accordance with the strict guidelines set by Guinness World Records. Among other requirements, in order to meet Guinness’ approval, a...