The Duntov Grandsport Convertible, also known as the Corvette Grand Sport, is a high-performance version of the Chevrolet Corvette. Originally conceived by Zora Arkus-Duntov, the "Father of the Corvette," the Grand Sport was intended to dominate sports car racing in the 1960s. However, only five original Grand Sports were built before GM halted the program.

Key Features and Design Elements:

1. Engine and Performance:

   • Engine: 6.2-liter V8 engine

   • Horsepower: Varies depending on specific configuration, but typically ranges around 600-700 horsepower in modern recreations and replicas

   • Top Speed: Capable of reaching speeds well over 180 mph (290 km/h)

   • Transmission: 4-speed manual gearbox in the originals, modern versions may feature more advanced transmissions

2. Chassis and Body:

   • Construction: Lightweight tubular frame with fiberglass body panels, emphasizing performance and weight reduction

   • Body: Aggressive, aerodynamic design with wide fender flares, a low stance, and distinctive styling cues reminiscent of the 1960s racing Corvettes

   • Weight: Approximately 2,000 lbs (907 kg) in the original models, ensuring high performance and agility

3. Suspension and Brakes:

   • Front Suspension: Independent with coil springs, double wishbones, and telescopic shock absorbers

   • Rear Suspension: Independent with coil springs, double wishbones, and telescopic shock absorbers

   • Brakes: High-performance disc brakes on all four wheels, providing excellent stopping power

4. Interior and Cockpit:

   • Seats: Racing-style bucket seats with harnesses for driver and passenger

   • Instruments: Functional dashboard with essential gauges and controls, focused on the driver's needs

   • Safety: Equipped with period-appropriate safety features in the originals, modern recreations include updated safety equipment such as roll cages and advanced seat belts

5. Racing Heritage:

   • Original Grand Sports: Intended to compete against European sports cars, particularly in endurance racing, but the program was cut short by GM's racing ban

   • Notable Drivers: Driven by renowned racers such as Roger Penske, A.J. Foyt, and Jim Hall

   • Legacy: The original five cars are highly prized collector's items and have become legendary in the Corvette and racing communities

Legacy:

The Duntov Grandsport Convertible remains one of the most iconic and sought-after models in Corvette history. Its combination of powerful performance, advanced engineering, and striking design has left a lasting impact on the world of high-performance sports cars.

Though only five original Grand Sports were built, their legacy continues through numerous replicas and recreations that capture the spirit and performance of the originals. The Duntov Grandsport Convertible stands as a testament to Zora Arkus-Duntov's vision and the enduring appeal of the Corvette as an American sports car icon.