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The Toyota Motor Corporation G-family engine is a family of straight-6 piston engines produced from 1979 to 2006. It is notable in that only a single displacement, , was produced in this series. All were belt-driven OHC non-interference engines (except the VVT-i version in the IS200 which is an interference engine), with multivalve DOHC (except the 1G-EU SOHC 12 valve engine) and even variable valve timing added later. The 1G-GEU was Toyota's first four-valve twincam engine. A prototype version of the 1G-GEU called the LASREα–X, featuring twin turbos, variable valve timing and intake as well as variable displacement, was fitted to the Toyota FX-1 show car at the 1983 Tokyo Motor Show. It showcased a number of technologies which were later to become commonplace.〔(''All About the Toyota Twin Cam'' ), p. 18〕 These engines were used as a lower-displacement alternative to the more upmarket M family and JZ family straight-sixes. ==1G== Since just one displacement was offered, all G-family engines are marked 1G and share the same "square" 75 mm (2.95 in) bore and stroke. Applications: * Toyota Soarer * Toyota Celica Supra * Toyota Crown * Toyota Cressida * Toyota Altezza * Lexus IS200 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Toyota G engine」の詳細全文を読む スポンサード リンク
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