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    Schaeffers MS-6395?

    So all lesser included iterations are accepted and therefore I’m good to go to run the Schaeffer’s? Correct?
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    Schaeffers MS-6395?

    Right, exactly why I’m asking. I just looked at the back of one of my Pennzoil Ultra jugs and it says “meets or exceeds” the MS standard but not approved. Thinking that’s just semantics but what do I know? Just trying to make sure I don’t run afoul of the warranty. My manual doesn’t specify...
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    Schaeffers MS-6395?

    Was hoping to run Schaeffer’s 5w-20 in my 2021 Ram (5.7) and wanted to stick to oils meeting the FCA standard MS-6395. I see on Schaeffer’s site that it meets the MS-6395Q standard but I can’t find anywhere what that is and if it’s the same as MS-6395. My dealer didn’t even know what the Q...
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