tbn drop

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Everson WA - Pacific NW USA
Originally Posted By: Highline9
Heat does not lower tbn?
No, not in of itself. Eventually enough heat can break down oils, ie oxidize and make the oils less stable, with all kinds of by-products, some acidic in nature - especially if the oil is further abused, but not immediately and the heat doesn't go directly and reduce the TBN, if that's what you are asking.
 
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