From 1975 to 1981, the Greenwood brothers produced five unique Corvettes; four of which were widebody variants. The Greenwood specialty cars were: the Sebring GT (32 built), the Sportwagon (a non-widebody car, 1 built), the Turbo GT (3 built), the Daytona (5 built), and the GTO (2 built), for a total of 43 Greenwood street Corvettes.
The 1980-’81 Daytona and 1981 GTO both had side rocker panels that filled in the lower portion of the car where the racing side pipes would have been. The Sebring GT and the Turbo GT were very cool, but looked like something was missing; yeah, side pipes.
The major differences between the 1980 and 1982 Daytona and the 1981 GTO are the hood, the tops of the rear fenders, and the rear spoiler/bumper cover. The Daytona had an elaborate, short vertical fin on top of the rear fender that turned several turns “in and back,” flowing to the wide, long, table-like rear spoiler. The GTO’s rear fenders pontoons are the same as the Daytona except that the vertical “fins” stop at the end of the fender. The rear bumper cover looked like an extended, tall version of the stock cover. The rear glass was a hatch design, similar to the 1982 Collector Edition Corvette. The GTO’s hood was void of the Daytona’s NACA ducts and transverse cooling slots. The hood dome was more pronounced, opens in the back and had four open cooling vents on the sides. Under the hood was a bonnet with a round opening for the air cleaner that sealed to the underside of the hood. Shared parts between the Daytona and the GTO included the front bumper cover/spoiler, top-vented front fenders and side rockers. While the earlier Daytona is a wilder-looking car, on the track the GTO worked better and was nicknamed the “Suction Cup car.”