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 - Field Modifications (Sins of the Farmer) - by Staff. Picture a new Chevrolet driving down the street without it's grill, right fender and trunk lid. Imagine a crude hole made in the hood to accommodate a new taller air cleaner, the fender wells cut away to make way for larger tires, and half of a sliding glass door used to replace the windshield. Top that off with an old set of '36 Ford headlight shells bolted to the hood. Pretty unlikely for a car... but for a tractor, this is pretty normal. It seems that more often than not they a
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