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    VOA appears to be a 30-40 grade oil ?

    Hi I received these from a friend for an old but new (unused) oil his employer kept in a 200 Liter drum. V40 95.12°C V100 12.30°C FP 218.0°C PP -35.2°C Calcium 1450ppm TBN 8.4 Insolubles Nil Water 0.1% does it look like a XXw-30 or XXw-40 oil ?
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    Any engine harm or damage possible from using 15wO

    Hello all! It is being argued (in the HDEO forum) that "The detergents in HDEO reduce the film strength (surface tension) thus the ability of a lubricant to maintain that precious barrier between highly loaded components." [Ducati996] The response given was that "While your point is taken, I...
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