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The D-Type engine is a straight-4 automobile engine from Renault designed to replace the existing Cléon-Fonte engine in the Renault Twingo. == History == The D Engine was designed simply because the "Energy Engine 1.2 Clio by design with its hemispherical cylinder head exhaust up to the front of the head could not fit under the hood early Twingo. The launch of the Twingo 1993 Renault was not thought too the success of this small car, at that time , the Energy engine had recently appeared, it was unthinkable to conceive another engine displacement and power equivalently, the design of an engine generates several years of study and costs are considerable. So to launch its Twingo in 1993, Renault 's legendary spring and proven Cléon-Fonte engine in an exclusive engine ( 1,239 cm3) , which it could fit under the hood of the little Renault , equipping it of single point injection system. The Cleon-Fonte engine is an old design , since it has a lateral camshaft (with rockers and pushrods ) , this engine appeared in 1962 on Renault Floride and Renault 8. For 1997 , new standards pollution should be applied. Renault could have kept his Cléon-Fonte 1.2 on the Twingo and its Energy engine 1.2 on the Clio , applying changes to its engines, including equipping each multipoint injections, but rather than investing fees studies on two different engines and before the unexpected success of Twingo, it is preferable to opt for a new engine that could both be mounted on the Twingo as the Clio , hence the birth of the "D Engine" . This new engine will be produced D7F1 kind Douvrin by the "Société Française de Mécanique" . The D engine will be equipped as the Energy engine a hemispherical cylinder head incorporating the camshaft , but exhaust will be placed at the back of the head, in order to get under the hood of the Twingo. On machining cylinder engine has no removable shirts as was the case in Cléon-Fonte engine and Energy engine. The D7F engine was mounted since 1996 on the Twingo and Clio I. It is also used in the Express Kangoo 1 and Clio 2, Twingo 2 . 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「Renault D-Type engine」の詳細全文を読む スポンサード リンク
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