A Brief History
     When the fourth generation Corvette
debuted in 1984, it was immediately hailed
as one of the world's best sports cars. It could
hold its own against the Porsche 944, the Mazda
RX7, the Nissan 300ZX and other leading sports
cars. But the C4 was not quite a certifiable Supercar,
one that could compete at a world-class level like the Ferrari
F40, the Porsche 959, and the Lamborghini Countach. But that
deficiency didn't last long.
     As the C4 was being released, Chevrolet was already working on making it a true Supercar. Engineers had been working on turbo-charging the Corvette since the late 1970’s but decided it was too costly to produce. Meanwhile, the program that would ultimately become the ZR-1 was in its infancy.
     In late 1986, the first true super-Corvette was introduced, the Callaway Twin-Turbo. This was no mere hotrod of a Corvette; it was a collaboration between Chevrolet engineers, who did much of the

development work, and Reeves Callaway’s company, which was able to create these low-volume masterpieces. It was a car Chevrolet would have liked to build, but production was too low and the amount of handwork too extensive for GM mass production. But Callaway, with experience in building turbocharged cars for Alfa-Romeo, BMW and VW, was the perfect partner in the project. Best of all, the Callaway Twin Turbo was a true Chevrolet, identified as Regular Production Order number R2B. The option could        >> Continue >>