Bocar was an American manufacturer of sports and racing cars, produced by the Bob Carnes Manufacturing Company of Denver, Colorado. The marque was founded by Bob Carnes, who built his first Chevrolet-powered sports car for hill-climbs and road racing before moving into small-scale production. The company's first production model, the XP-4, featured a lightweight tubular space frame combined with Volkswagen and Porsche-derived front suspension, Chevrolet brakes, and a live rear…