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The 3600 LY7 (and derivative LP1) are members of General Motors' new High Feature (or HFV6) engine family of modern DOHC V6s. This new family of engines was introduced in 2004 with the Cadillac CTS. Holden sells the HFV6 under the name Alloytec. The High Feature moniker on the Holden produced engine is reserved for the twin cam phasing High output version. The block was designed to be expandable from 2.8 L to 4.0 L. It is a 60° 24-valve design with aluminum block and heads and Sequential Electronic Fuel Injection. Most versions feature continuously variable cam phasing on both intake and exhaust valves and electronic throttle control. Other features include piston oil-jet capability, forged and fillet rolled crankshaft, sinter forged connecting rods, a variable intake manifold, twin knock control sensors and coil-on-plug ignition. It was developed by the same international team responsible for the Ecotec, including the Opel engineers responsible for the 54° V6, with involvement with design and development engineering from Ricardo plc. High Feature V6 engines are produced at Fishermans Bend in Port Melbourne - Australia, St. Catharines in Canada, and Flint Engine South in Flint, Michigan - United States. The assembly lines for the St. Catharines and Flint, Michigan facilities were manufactured by Hirata Corporation at their powertrain facility in Kumamoto, Japan. == History == The HFV6 was first designed, tested and produced in a joint program by Cadillac and Holden. A majority of design into the new alloy construction, transmission pairing and first use in production were all undertaken in Detroit (and manufactured in St. Catharines). Holden had the job of developing smaller engines (Holden 3.2, LP1 and LP9 Turbo) as well as their own Holden 3.6 HFV6 (called the Alloytec V6) for local models. Cadillac and Holden both tested variations of these engines in US and Australia. North America and Australia remain the only two places that manufacture the HFV6. 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「GM High Feature engine」の詳細全文を読む スポンサード リンク
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