1963 Wedge Corvette Split Windshield : A sleek, front-engine design study that revived the Q Corvette’s split-windshield gullwing-style doors, with a short, bobbed tail.
Late in 1963 a GM Styling team under Henry Haga prepared this future Corvette proposal. It’s sophisticated lines included side-mounted exhaust pipes. The design also had doors that swung up and forward around the center pillar of the windshield.
Source: Bill Bowman, wiki.gmnext.com; Mario van Ginneken - www.corvettes.nl