Fifty-three years ago, Buick introduced the Riviera and Skylark Gran Sports to the world, packing big Nailhead V-8s and more style than just about anything else General Motors built at the time. By 1970, the zenith of the muscle-car era, the 455-cubic-inch GSX, wearing a wild stripe package and a distinctly un-Buick-like rear spoiler, was […]
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