So I have been running Delo 15w40 LE since I have had my 7.3 for over 6 years now. I see that Ford has not recommended the CK4 spec for any engine old or new and that Fords own testing has shown it to not have the antiwear properties of CJ4 spec oils. I now see that most oils on the shelf are now CK4 including the Delo I have had great success with. So for now I'll put some motorcraft oil in and hope that a few other oils keep the CJ4 spec.
CK4 spec oils.
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Powerstroke Man 6.4
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https://www.fcsdchemicalsandlubricants.com/main/searchdiesel.asp
Here, is a link to search for approved oils.
This is Ford CK4 statement.
https://www.fcsdchemicalsandlubrica...otor Company CK-4 FA-4 Position Statement.pdf
jimdawg185
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Or 8700 will remain CJ4 indefinitely. And it's only 69$ a pail including shipping. I'm running it in my 17 right now and will be testing it at 7500 miles before I switch to 8854.
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Powerstroke Man 6.4
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Will 8854 stay CJ4 as well, or will it be swapped over to CK4 after awhile?
psduser1
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Is that a w40 oil, jim?
jimdawg185
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8854, 8800, and 8130 will all be CK4 in the next couple weeks.
I will be testing them all personally, but with Monolec in them all it's highly unlikely antiwear will drop at all. That's one of the advantages to having additives that the EPA doesn't measure, and that NASA relies on.
8700 and 8730 will remain CJ4 indefinitely.
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jimdawg185
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8700 is a 15-40 8730 is a 10-30. Both are turning out to be far better oils than I expected. The Mag cal add packs are such good quality. And both still have Monolec.
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jimdawg185
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It's such a great value it's cutting into my 8800 business. But we just purchased an absolutely stupid amount of base oil and add pack at a huge discount. So it's nice to have the price point and still have a great Oil.
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lincolnlocker
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be the best decision you have ever made.. it comes in qts and 2 gallon jugs also. not just pails.. but the price goes up a little with each jump from pails to jugs to qts..
no, it is unicorn piss
live life full throttle
god bless america and the farmer who feeds your fat ass
jimdawg185
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jimdawg185
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I should apologize, I assumed too much. I'm a sponsor on here that provides lubricants. I own a tribological consulting firm, so I'm quite obsessed with lubrication and best practices.
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Countrycar
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Subscribed..
lincolnlocker
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if you all dont use his lube, it will only hurt you!
live life full throttle
god bless america and the farmer who feeds your fat ass
jimdawg185
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Bobs 7.3
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