Here’s a fascinating look back at the Guldstrand GS-90 from 1994, a custom-built Corvette crafted by the legendary Dick “Mr. Corvette” Guldstrand. This supercar is based on the Chevrolet Corvette ZR-1, which was already a powerhouse with its LT5 engine. Guldstrand, a former racer with a deep love for Corvettes, wanted to create his ultimate vision of a Grand Sport-inspired machine, blending ’60s racing heritage with ’90s performance.
The GS-90 started with the ZR-1 chassis and engine, but Guldstrand took it much further. The body was completely redesigned by Steve Winter, featuring smooth, flowing lines inspired by European classics like Jaguar and Ferrari. It’s shorter by six inches and wider at the rear by four, with every panel—except the windshield, side windows, and mirrors—replaced with lightweight carbon fiber or fiberglass. The result is a sleek, aggressive look, often painted in Nassau Blue with a white stripe, nodding to the 1963 Grand Sport racers Guldstrand once drove.
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Under the hood, the LT5 V8 got a boost from Doug Rippie Motorsports, jumping from 405 to 475 horsepower—some say Guldstrand himself pushed it past 190 mph. The suspension was overhauled too, swapping the stock mono-leaf for coil-overs, adding thicker anti-roll bars, and fitting 18-inch OZ wheels with Brembo brakes. It could hit 0-60 in the low 4-second range and topped out over 175 mph—pretty wild for 1994. There’s also a convertible version, the Nassau Roadster, built on the standard C4 convertible since no ZR-1 drop-top existed. It used a supercharged LT1 engine, making around 420 hp, and kept the swoopy design at a lower cost—about $86,000 versus the coupe’s $135,000-plus price tag (on top of the ZR-1’s $72,000). The catch? It was insanely expensive—over $206,000 total for the coupe—and only six were built, with maybe nine including the roadsters.
