New oil spec help
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Laughing Gas
Joined: Oct 2014
Posts: 962
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From: Middle TN
New oil spec help
Hi all, I stumbled on something here in FTE about Fords new oil spec for Powerstrokes. I have been using Rotella T6 since the first change. Apparently Ford does not like the new CK-4 oils in these motors. Another member posted a chart showing the oils that meet spec WSS-M2C171-F1 and the only oil I recognize from the list is Valvoline extreme blue. I cannot find it anywhere at my local retail outlets. Before I double my cost for an oil change, I assume we all are stuck using Motorcraft 5W-40 from the dealer until the rest of the manufacturers can meet Ford's new spec? I couldn't find anything on Shell's website about meeting the new spec.
This is a 2015 Superduty and when it doesn't hvbe my boat behind it, I am hauling around 8000lbs worth of tractor so I tow frequently which is why I have been using synthetic. It's kind of funny that the new oils don't mix with these engines and I never heard about it from Ford but had to "by chance" see it on FTE! I guess what I am asking is, is there any latest info concerning oils that we must still use one from the list?
This is a 2015 Superduty and when it doesn't hvbe my boat behind it, I am hauling around 8000lbs worth of tractor so I tow frequently which is why I have been using synthetic. It's kind of funny that the new oils don't mix with these engines and I never heard about it from Ford but had to "by chance" see it on FTE! I guess what I am asking is, is there any latest info concerning oils that we must still use one from the list?
Prolocutor
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From: Western MA
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Post Fiend
Joined: Nov 2001
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From: Tallassee, ALabama
I got the oil changed in the truck Monday at a Ford Fastlane. The full synthetic 5w40 Motorcraft they stocked at the dealer was still CJ-4 rated oil.
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Cargo Master
Joined: May 2002
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From: Montana
Here is the list, last updated 3 days ago. You have many choices of CK-4 Oils you can use. I have not looked this over, but here it is. These new oils are not going to double our oil change cost.
I run Lubrication Engineers 5W40 in mine.
https://www.fcsdchemicalsandlubrican...SSM2C171F1.pdf
I run Lubrication Engineers 5W40 in mine.
https://www.fcsdchemicalsandlubrican...SSM2C171F1.pdf
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