 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.