New zinc additive for oil in older engines - NCRS Discussion Boards

New zinc additive for oil in older engines

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  • Duke W.
    Beyond Control Poster
    • January 1, 1993
    • 15672

    #16
    Re: New zinc additive for oil in older engines

    Typical marketing hype goes something like "exceeds API specs". Okay, if so, by how much in each of the numerous API tests and by how much will that extend the life of a typical engine.

    I don't think anyone here has the resources to run all the required tests, and I know of no independent/disinterested third party sources that have conducted tests that definitively prove that one CJ-4 oil is better than another, but if anyone has such data...

    Regarding gasoline I have a friend who insists on Top Tier gas. I've always used Arco because it's cheaper, but recently Arco joined the Top Tier ranks.

    My friend still refuses to use it.

    Duke

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    • Bob W.
      Very Frequent User
      • December 1, 1977
      • 802

      #17
      Re: New zinc additive for oil in older engines

      This is all great information on what oil and gas we need to use. Thanks to all for posting their input.

      Bob

      Comment

      • Wayne L.
        Very Frequent User
        • September 30, 1981
        • 233

        #18
        Re: New zinc additive for oil in older engines

        I've "heard" that some oils (break-ins) have too much ZDDP and it can build up under the rear seal causing it to leak.

        Comment

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