Photo Credit: Chevrolet Though the commitment to a Chevrolet Corvette with an engine positioned ahead of the passenger compartment remained the production standard for another generation, a host of concept cars would continue to sell notion of a different powerplant layout. Intended as a research vehicle, the Astro I featured a fiberglass body that did not use conventional doors. An electric-powered roof would open in concert with elevating seats provided a unique entry and exit experience for passengers for a vehicle measuring only 35.5 inches in height. Finished in Crimson-Flame Acrylic Pearl paint, the Astro I design study also consisted of an air-cooled engine, fully automatic air conditioning, twin grip steering wheel and active aerodynamics to facilitate emergency stops. Another concept vehicle displayed a more reality-focused proposal. The XP-880 concept car came to fruition in 1968 under the engineering expertise of Frank Winchell and Larry Nies. Using existing productio...