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Mobil 1 Annual Protecton 5W-20 (formulation change)

Shipey

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Went to WallyWorld to look at oil. Other than Motorcraft, it is difficult to find an oil that carries the latest Ford specification for direct injected cars (WSS-M2C945-B1). Then I discovered that the Mobil 1 Annual Protection 5W-20 does, so I bought two five quart jugs and went home.

Well...one jug had the spec and one did not! So be careful when you purchase this oil, as the containers are identical except for the spec in fine print on the back!
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GT Pony

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The -B1 Ford spec means it's "SN Plus" which is to help prevent LSPI.
 

VooDooDaddy

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I doubt your car will ever notice the difference between the two?

Hell, I run Mobil 1, 5w-40 (diesel formulation) in my car! Seriously.
 

GT Pony

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SN Plus is more critical for DI turboed engines - they are more susceptible to LSPI. But if you look at the 2019 owner's manual, Ford does spec the -B1 (SN Plus) oil for the Coyote.
 

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Zooks527

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Hell, I run Mobil 1, 5w-40 (diesel formulation) in my car! Seriously.
You should keep an eye on oil consumption. A lot of diesel formulations have a high level of sulfur, which will do a number on your cat if you start burning it.
 

VooDooDaddy

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You should keep an eye on oil consumption. A lot of diesel formulations have a high level of sulfur, which will do a number on your cat if you start burning it.
Yes, I know this. Thank you anyway.

I am running MAK cat deletes so it's a non-issue.
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