Dodge SRT Forum - View Single Post - Pennzoil Enginners Q&A Session
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post #5 of (permalink) Old 10-26-2012, 11:49 AM
jim mcveigh
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I have used Mobil 1 since 1987. That said, I am open to any synthetic oil that is comparable. I am now using an additive called ZDDPlus to add the anti ware additives that the Federal government mandated be removed. The governments claim, for the removal, was the earlier oil formulas with the increased additive package was reducing the life if the catalytic converters. My question is;what have you done with the Pennzoil additive package that would bring the ware components back to where they were (SF) before the government mandate.
Thank you in advance,
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