Thread: Oil to use?
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Old 04-08-2020, 08:26 AM   #11
TedEaton
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Join Date: Nov 2012
Location: Central Texas
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Default Re: Oil to use?

The reason for using non-detergent oil in a non-filtered engine is so that the contaminates in the oil drop to the bottom of the pan rather than be carried in suspension where those contaminates can get recycled through the engine repeatedly. On an engine with a full flow oil filter, detergent oil allows the contaminates to be carried in suspension thus allowing those contaminates to be filtered out of the oil before going to the bearings.
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