All sorts of cool renderings and photos found online.
Vintage GM video of Building the Experimental Corvette SS.
What we have here is a 2:50 minute video snapshot of the history of GM Design.
The Oldsmobile Aerotechs were a series of experimental high-speed vehicles created between 1987 and 1992.
In 2005 I had the opportunity to visit the Chaparral Exhibit at the Petroleum Museum in Midland, Texas—hollowed ground for Chaparral enthusiasts.