A problem with the age of the oil is the acids that form in the oil from use. That is why many companies say to change at 6 months or once a year. A high quality oil with a high TBN (total base number) can handle acids better for a longer time. Synthetics typically have higher TBN's and are better for longer term storage. Yeah I know there's been a ton of debates on oil here but the are NOT all created equally. I usually rationale the cost of oil versus the cost of a new engine... not much debate there.
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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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