Triumph TR3
…known as the "TR3A" and "TR3B", entered production in 1957 and 1962 respectively. The TR3 was succeeded by the mechanically similar, Michelotti-styled Triumph TR4. The rugged ‘sidescreen’ TR, so named for its use of removable plexiglass side curtains, was a sales and motorsport success. With approximately 74,800…