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Reply to "Oil analisis- doesnt add up"

TBN has nothing to do with oil consumption problem.Infact it is the TBN additives(metallic detergents and dispersants)forms harmful deposits in combustion chamber and piston groove
and land areas.Over a period of time these deposits grows,impairs heat transfer,restrict ring movement,leads to bore polishing,excess wear.To address this issue OEM's recommends oil with less sulfated ash around 0.5% max.

TBN keeps sludge and fine solid deposits in
dispersed state.Sludge and varnish deposits forms due to base oil deterioration.Using sour
gas increases acidity,results in corrosion.

Prevention is better than cure.Use best quality
of base oil and fuel.