Quote:
Originally Posted by Jake Raby
An additive is the quickest way to compromise the anti-wear and detergency packages of the oil.
According to the API the only time it's acceptable to use any oil additive is never.
ZDDP was invented in 1941 by Lubrizol.. Lubrizol is the company who formulates and produces the Joe Gibbs offerings, to include our DT40 offering.
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Jake, I am still planning on buying a case of this DT40 (5W40) from Charles for my yearly oil change next month.
Can you post a VOA? Or at least tell me the levels, in PPM, of your Zinc and Phosphorus? I'm hoping it's about 1,100 PPM for both, and on par with my current Mobil 5W50. Thank you.