High Quality Content by WIKIPEDIA articles! The Mitsubishi 6G7 or Cyclone V6 engine is a series of V6 piston engines from Mitsubishi Motors. Five displacement variants have been produced with both single- and double- overhead camshaft layouts. MIVEC variable valve timing has also been implemented in some versions, and the 2.5 and 3.0 L versions were also available with gasoline direct injection. Modern versions feature a one-piece cast crankshaft and cast aluminum intake manifold.