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Reply to "Total Base Number of Petrol engine"

We had trial of engine oil for the prolonged drain interval in diesel engines. One of engines had too mach of oil consumption. We have noticed that TBN of motor oil in this engine drops much faster than in other engines which were normal (they had the small oil consumption). We have solved that excessive blow-by of gases from combustion prolongs oxidation of oil and fast dropping TBN. May be this experience will help you.
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