CGID ...... yes, the article mentioned what you are referring to, not sure if you read that far. Here's what they have to day ......
"The fundamental basis of the concept is well proven by the historic �sleeve-valve engines,� in which the cylinder sleeve briefly but rapidly rotated as the engine approached top dead center. The purpose of the fast-moving cylinder was to replace the conventional valves, which had great perceived benefits for high-performance gasoline engines when high-octane fuel was not available. But the unexpected after effect was nearly 10 times less wear, plus better fuel economy. Unfortunately, modern-era pollution regulations prevent the sleeve-valve engine�s resurrection. Thankfully, one significant feature of it, the moving/rotating cylinder and its associated benefits in friction and wear, is about to make a big comeback".
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Today's Featured Article - Talk of the Town: Winterizin Engines - To Drain or Not to Drain? - by Staff. Another great discussion from the Tractor Talk Discussion Forum. The discussion started out with the following post: "Winter is fast approaching..for a gas tractor should the gas tank be drained and run the engine til the carb is dry or do the gas stabilizer products I've heard of work? (tractor will not be used til spring) any other tips for winterizing?? "
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