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Chevrolet Corvette ZR-1 Spyder prototype, 1991, by ASC. An experimental styling prototype ordered by Don Runkle, Chevrolet’s chief engineer, to see how far the ZR-1 might be pushed in convertible form. The windshield was chopped in half and the seats were mounted directly to the floorpan. The black example in the National Corvette Museum was originally painted Sebring Silver with a Neutrino Yellow interior.
The 2019 Corvette ZR1 was the official Pace Car for the 2018 Indianapolis 500 presented by PennGrade Motor Oil and led drivers to the green flag on Sunday, May 27, for the 102nd running of the legendary race. It marks the 15th time a Corvette has served as the official Pace Car since 1978, and the 29th time a Chevrolet has led the field dating back to 1948, when a 1948 Fleetmaster Six convertible paced the race.
For competition, race customers had a range of options available to them including the N03 36-Gallon Fuel Tank, closer rear axle ratios and the C48 Heater/Defroster Delete (-100). Most cars equipped like this came with either L78 or the L84 with Ram-Jet Fuel Injection.