One of the last cars designed by Harley Earl, the 1956 Cyclone concept was a test-bed for futuristic styling and technology, according to Wikipedia. The design was heavily inspired by the aviation and rocket designs of the 1950s. The Cyclone was built on a 104-inch wheelbase chassis and featured a front-mounted 390-cubic-inch V-8 engine, rear-mounted automatic transaxle and an all-wheel independent suspension. A unique design was the engine exhaust that was ported out just ahead...