Sparks [2] 1979 - 1985 Cadillac-based Cadillac-engined Production info Year Company Place Country 1979 - 1981 Ron Sparks Coachbuilders San Marcos, California United States 1981 - 1985 Ron Sparks Coachbuilders Marina del Rey, California United States Models: Turbo II Convertible Roadster / Del Ray Roadster Turbo Phantom People Ron Sparks C. Ricketts B. Brodsly Types Convertible Neoclassic Phaeton Classic Roadster