I was told by an antique engine builder/machine shop operator....to NOT use any detergent oil in an engine that has been using non-detergent oil . His reasoning....the detergent oil starts to loosen up the years of sludge buildup and this fine material (kinda like pumice or a very fine sandpaper) circulates through the engine and wears it out in no time at all. He told me that he would only use detergent oil in an old engine that has been thoroughly cleaned/washed out completely including the oil galleries. I followed his advice....i use the detergent stuff only in the engines that i completely tear down and the old ones that see only partial teardowns i still use the non-detergent oil. You will probably get alot of different thinking on this subject....this works for me. Most of the really old engines do not have oil filters and even if they do...i doubt that they could strain out the floating residue before causing some real internal damage to the engine. It"s one viewpoint for you to ponder.
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Today's Featured Article - Tractor Profile: Oliver 70 Row Crop - by Staff. The Oliver 70 was part of the "Fleetline Series" and was manufacturered from 1937 to 1948. The row-crop configuration could have either dual or single front wheels. The Oliver 70 was also offered in the standard, orchard and industrial configurations. The tractors were sold in Canada. An early advertisement states "Power when you want it - power when you need it - power to help put in crops when field conditions are right and time and help are limited. That's the power you'll find in an Oliv
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