This 1971 Chevrolet Nova SS convertible turned up on a dealer’s lot in silver, one of just 7,015 SS models built the year Chevrolet pulled the 396 big-block off the order sheet entirely. The photos show the paint, the engine bay, and the interior of a car built during the single-engine-option year that scared most buyers away. Read on to see what survives, and why so few buyers wanted this exact combination in 1971.