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Mercury Cyclone Spoiler deserves more credit in muscle history

The Mercury Cyclone Spoiler has all the ingredients enthusiasts celebrate in classic Detroit performance, yet its name rarely ...
insider.si.edu

Engine, Wright Cyclone GR-1820-G105A, Radial 9

Bore and Stroke: 156 mm (6.125 in.) x 174 mm (6.875 in.) The Wright Cyclone series began in 1924 with a U.S. Navy contract for a nine-cylinder air-cooled radial engine having approximately the same ...