| Re: Reverse rotation engine and porsche 930? Most engine's crankshafts are drilled to oil the bearing in a specific direction of rotation. Putting oil to the bearing "after" it has already endured the shock loading of combustion is a quick way to destroy the bearings.. Camshafts - It's been a long time (probably 25 years now) since I've seen one, but there is/was a company that was selling direct gear drives for American V8s. These were to allow you to run a standard camshaft in a reverse rotation engine. Not all engines that were reverse rotation were used in boats. Many were used in Super-Modifieds on asphalt oval tracks.. |