Posted by Crazy Horse on December 19, 2017 at 10:15:00 from (75.159.240.214):
In Reply to: Re: ZDDP......again posted by JDEM on December 19, 2017 at 09:50:44:
It appears that there are a variety of Rotella versions ..... I suspect the ones you buy at NAPA or Wally World, etc might be the kind without any of the zinc additive. Some types have it by the looks of it, for vehicles without catalytic converters for example. This is a Wiki link so it is subject to anyone changing it or deleting or adding to it (like you or me for example). Still interesting though, the whole subject is worthwhile reading. While some might question Wikipedia, it is at least as accurate as a lot of stuff posted by someone like Bob the Oil Guy. Not sure what his credentials are for evaluating oils, filters, etc.
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