The drive rods also acted as conduits for oil movement for the valve equipment. Because of the fairly very low mass with the valve train, mechanical lifter variations of the W-sequence motor had been effective at operating at speeds perfectly beyond 6000 RPM. The Greek Navy has categorised the class http://spencerbnwfm.tinyblogging.com/The-smart-Trick-of-Zora-That-No-One-is-Discussing-36422446