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    GM 2.8 Duramax - Delvac ESP 5w40 CJ-4 - 5300 miles

    Bringing back to life this "argument" I mean thread. If you all need some partial input to settle this, it's the same engine with minor alterations and neither of those articles are very good technical documents. A technical document at a bare minimum would be some sort of manual found here for...
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