Virgin Mobil 1 0W40 initial TBN?

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100
Location
Boston, MA, USA
Does anyone know the TBN of virgin Mobil 1 0W40? If not, I'll just send a sample to Blackstone the next time I change my oil -- I don't mind spending $10 to satify my curiousity. I called Exxon/mobil but they didn't want to tell me because they consider that proprietary info. Thanks. Regards, paul...
 
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