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new diesel oils

Just wondering if anyone has been using the new diesel engine oils . . .the CK-4. I know it replaces CJ-4 oils . . .and that the FA-4 diesel oils on only for on-highway trucks. Either product has more anti oxidation additives to handle the higher engine temperatures of Tier 4 diesels. Any feedback from guys using the new oil would be appreciated.

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Veteran Advisor

Re: new diesel oils


If you hear more on this I'd be glad to know what you find out.  I'm not familiar with these new oils.

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