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How do you beat a slew of Fox-Body 5.0 Mustangs that seemingly dominated the roads in the late '80s? You take a 454 cu.-in. big-block engine and stuff into a C4 Corvette and call it "Big Doggie". An experimental vehicle used to determine how to convert from a small block to a big block. Its 454 big block V8 along with its orange paint make this high horsepower engineering study a one-of-a-kind standout in Corvette history. The car had as much HP as the '90 ZR-1 did and it was named "ZR-2" or "Big Doggie". Old dog, new tricks joke?
While the redesign gave the Corvette a fresh look for the new model year, Chevrolet also recognized the importance of commemorating the car's quarter-century of production.  For the first time in the brand's history, two special-edition Corvettes were introduced for the 1978 model year: the Silver Anniversary Edition and the Indy Pace Car coupes. On March 15, 1977, the 500,000th Corvette rolled off the assembly line at Chevrolet's St. Louis manufacturing plant. 
This special edition takes the upgraded handling and appearance that comes with the Grand Sport moniker and adds some special cosmetic touches for extra uniqueness. Along with a stunning gray metallic paint color, it features blue accents that harken back to previous Grand Sports. A representation of the original Grand Sport race car is embossed onto the headrests. Powered by the regular (and excellent) LT1 V-8, it features magnetic ride control, an electronic limited-slip differential, and Grand Sport wheels.
In addition to the limited-edition Corvette Victory Edition, a second special version of our favorite all-American sports car was introduced in spring, the Corvette Competition. This model, built in limited numbers on the basis of the C6 Corvette, bears strong links to motor sport too, in which the Corvette has proven highly successful. The Corvette Competition was competitively priced and one heck of a package.