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The Gastank
CT70 out of storage!
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<blockquote data-quote="69ST" data-source="post: 178802" data-attributes="member: 5"><p>Pre-2016 zinc content was verified, via random samples of product, purchased off-the-shelf, between 890-910, substantially below the accepted <em>minimum </em>of 1200. That's marginal for older engines. Can you, or anyone else, come up with an off-the-shelf oil that has increased zinc levels in recent years? Why are ZDDP additives sold? I'm trying to keep this factual, brief and above all useful.</p></blockquote><p></p>
[QUOTE="69ST, post: 178802, member: 5"] Pre-2016 zinc content was verified, via random samples of product, purchased off-the-shelf, between 890-910, substantially below the accepted [I]minimum [/I]of 1200. That's marginal for older engines. Can you, or anyone else, come up with an off-the-shelf oil that has increased zinc levels in recent years? Why are ZDDP additives sold? I'm trying to keep this factual, brief and above all useful. [/QUOTE]
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CT70 out of storage!
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