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Old 10-15-2018, 12:29 AM   #41
scottz
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Rotella T4 is certified CK-4 and CJ-4. It is on the Ford approved list. 10W30 or 15W40.

https://www.fcsdchemicalsandlubrican...SSM2C171F1.pdf"]
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Old 10-15-2018, 08:52 AM   #42
mlh
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JIMMER I agree the best thing you can do is what Ford recommends if you would like to keep your warranty because some of these oils do not meet Fords latest specs.
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Old 11-11-2018, 05:15 PM   #43
jstadler
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6.7 Oil

Only run full synthetic oil. It will save you a turbo, reduce wear on the engine and it protects when running biodiesel.
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Old 11-11-2018, 08:29 PM   #44
mazboy
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never had to deal with winter....brrrrr.
i just go to walmart and get rotella 15-30 and life goes on. no synthetic since i change the oil when the truck tells me too.
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Old 11-11-2018, 08:51 PM   #45
jstadler
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Good luck

Good luck, oil is the life blood of a truck. A few more dollars will save many.
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Old 11-12-2018, 07:43 AM   #46
mlh
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Quote:
Originally Posted by jstadler View Post
Only run full synthetic oil. It will save you a turbo, reduce wear on the engine and it protects when running biodiesel.
Synthetic is better oil no doubt. We have a horizontal ban saw in my shop that we use everyday sometimes all day. Itís 35 years old. A gear in it wore out in 5 years after we got it. We replaced it and put in synthetic gear oil and after 30 years the gear is still good as new.
Do we need synthetic in our trucks probably not. The engine will wear out the rest of the truck. It is definitely better especially on a hot turbo.
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