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#24
02-10-2017, 02:42 PM
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The finished product is a mix of oil and additives. It takes a lot more additives to create a spread of 5w50 over a straight oil. In days past, the additives broke down and became contaminants in the oil, and lowered lubrication properties. Since car manufacturers are now recommending the 0w and 5w blends, I would suspect the oil companies have this worked out. Maybe?
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Mick Batson 1967 original owner Tyro Blue/black top 4-speed HO GTO with all the original parts stored safely away -- 1965 Catalina Safari Wagon. |
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