One of three custom, low-volume Corvettes created by the small business led by former racer Dick Guldstrand, the GS90 is one ...

Though it never became as famous as it deserved, the Guldstrand GS-90 was a C4 Corvette taken as close to perfection as ...

The new colors are a salute to a C4-generation IMSA GTO Corvette run by Protofab Racing during the 1987 season. Gary Pratt worked on that car with Protofab before going on to found long-time ...