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gpshumway-I did a ton of reading over at bitog before I bought my first oil change supplies. I'll be the first to admit I'm not a chemist. Just trying to add to the discussion. Probably should fact check a bit more. The NOACK quoted for PP 0w20 was in the 8.x range if I remember right. I did a bit more reading and it was either a typo or they changed the formula, the current value is what you said.