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  1. davidb56

    how much zddp additive?

    Click on the black box...the link works. I assumed it wasn't there because the pic is blacked out.
  2. davidb56

    how much zddp additive?

    I tried to post a study on ZDDP...I failed. the condensed version is 1200ppm-1800 is good, over 1800 is not. most oils have around 800-900 because the goober mint says it pollutes. Diesels and race cars need more, especially during break-in. We ran Delo in our diesel and natural gas engines.
  3. davidb56

    how much zddp additive?

    there are 5 diesel 15/40wt oils that I found with 1200ppm ZDDP. Redline syn.has the best numbers, but is costly. Delo 400, Mobil Delvac, New Rotella, and .....Farm Rated 15/40 diesel oil.
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