The MG 1275cc engine was an October 1966 redesign of the 803cc Austin A-Series engine that was originally developed for the 1952 Austin A30. There were many versions of this overhead valve engine with different displacements that powered various MG models, starting in 1961. The 1961 MG Midget had a 948cc version of the engine, which was raised to 1098cc for 1962. In 1966, the MG Midget Mk3 received the newly developed 1275cc version of the A-Series engine. The Midget
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