Recent content by RetiredGuyOR

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    Have Valvoline European 5w-40. Use in Cummins?

    Thanks there @edyvw for the info. After reading some of the technical information around here about different formulations of ZDDP additives, and considering some other advice about trying to make changes to the formulation by adding 'oil treatments' or 'additives' ( without consideration or...
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    Infuriating Vibrations While Driving

    What is the mileage? Is it a front wheel drive car? If so, could it be a cranky (worn) universal joint in a front drive shaft? The joint can 'go bad' even though the boot looks 'normal'...
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    Have Valvoline European 5w-40. Use in Cummins?

    Originally Posted by dogememe I think the Valvoline 5w-40 you have would work fine in all three of your mentioned diesels. I am not willing to take the chance with the MB OM642 V6's - they both have DPF's and a replacement DPF for the Jeep runs around $3k at Rock Auto. The 2018 Sprinter is...
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    Have Valvoline European 5w-40. Use in Cummins?

    Thanks Guys, for the replies. Now, I wonder, what are some of the criteria that would be different between a 'Heavy Duty Diesel' engine lubricating oil as compared to a modern Passenger Car Diesel oil? Interesting to learn how the different classification schemes 'cross over' each other -...
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    When big, dumb, and slow is a good thing

    Good Reading! Thanks.....
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    Have Valvoline European 5w-40. Use in Cummins?

    Originally Posted by Sam_Julier Why not simplify your life and use the oil specified by manufacture? Sounds pretty simple to me. 🙂 Well, It certainly is simple and easy to do that. On the other hand, I wasn't 'paying Attention' while Amazon 'Subscribe and Save' orders were shipping 'my...
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    Have Valvoline European 5w-40. Use in Cummins?

    The Cummins 5.9l 24-Valve ISB (1998.5 Dodge RAM) originally specified 15w-40 (API CF-4 or CG-4). If I can't use up the European Formula 5w-40 oil, I plan on using Valvoline Premium Blue Extreme 5w-40 Full Synthetic in the Cummins. Its been a couple of years and only about 500 miles since the...
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    Have Valvoline European 5w-40. Use in Cummins?

    And I absolutely would not consider using anything other than a Mercedes Benz approved oil in either the Jeep (MB OM642 3.0 V6) or the Sprinter (OM642). For those I am currently using Motul 8100 X-Clean in 5w-40. The notion of adding a ZDDP additive popped into my head in order to use up the...
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    Have Valvoline European 5w-40. Use in Cummins?

    I don't know. I know that the Valvoline European 5w-40, while a full synthetic oil, is not a Heavy Duty Oil per se. It's more like a 'passenger car oil' and doesn't meet a heavy duty CF-4 or CG-4 spec, that was originally called for in the 98.5 Cummins ISB. The Cummins ran on Mobil One...
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    Have Valvoline European 5w-40. Use in Cummins?

    Well, after 'stockpiling' (50 quarts) Valvoline VV966 for use in the Diesel Jeep and Sprinter, I learned that Valvoline 'cleverly' changed the specs but kept the same Part Number (formerly Valvoline Advanced MST 5w-40, that had MB 229.51 'approval'...) and the 'new European formula' lost the MB...
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