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Ford Oil specs #4848561 08/23/18 10:33 AM
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schirjo Offline OP
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Looking for info re Ford oil specs:
Ford WSS-M2C946-B1 versus Ford WSS-M2C946-A

My 2018 Ford F150 calls for B1 spec

I cannot find any oil except for motorcraft that satisfies this recommendation.

My questions are:
What is the difference?
Do any other oils (eg, Mobil-1) satisfy this B1 specification?

Joe

Re: Ford Oil specs [Re: schirjo] #4848568 08/23/18 10:41 AM
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earlyre Offline
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on this page:
https://www.fcsdchemicalsandlubricants.c...c%20Motor%20Oil
(which was literally the second link on a google search for "wss-m2c946-b1")

"This oil also meets WSS-M2C946-B1, dexos®1 Gen 2 and SN PLUS, therefore it can reduce oil derived low speed pre-ignition
Approved to service General Motors vehicles where this viscosity is recommended. (dexos 1 Gen 2 oils also meet WSS-M2C946-B1. Oils labeled WSS-M2C946-A do not meet dexos 1 Gen 2)"

so basically it's Dexos 1 Gen 2...


Last edited by earlyre; 08/23/18 10:42 AM.

Mine:
13 Ford C-MAX hybrid: Bulk Maxlife Full Syn 5w20,& Valvoline Jobber Filter
( I was Lazy and had a Groupon)
Re: Ford Oil specs [Re: schirjo] #4849112 08/23/18 08:36 PM
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tig1 Offline
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What kind of Ford engine? Also, call 1-800-ask-mobil.


2007 Ford Fusion 258,000 miles
M1 5-20HM
2017 Ford Fusion 91K
M1 0-20EP
10,000 mile OCIs on both engines
M1 ATF and M1 LV HP ATF
M1 10-30 in all OPE
MC filters

Re: Ford Oil specs [Re: tig1] #4849149 08/23/18 09:07 PM
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schirjo Offline OP
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3.5L ecoboost V6

Re: Ford Oil specs [Re: schirjo] #4849153 08/23/18 09:10 PM
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tig1 Offline
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Originally Posted By: schirjo
3.5L ecoboost V6


M1 would be a very good choice. M1 was the first oil to meet the Honda HTO-06 high heat, low deposit turbo spec.


2007 Ford Fusion 258,000 miles
M1 5-20HM
2017 Ford Fusion 91K
M1 0-20EP
10,000 mile OCIs on both engines
M1 ATF and M1 LV HP ATF
M1 10-30 in all OPE
MC filters

Re: Ford Oil specs [Re: tig1] #4849201 08/23/18 09:56 PM
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schirjo Offline OP
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The source of my confusion:
dexos 1 Gen 2 oils also meet WSS-M2C946-B1
Oils labeled WSS-M2C946-A do not meet dexos 1 Gen 2

Mobil-1 5w30 lists as Dexos 1 gen 2, but also as WSS-M2C946-A

I want WSS-M2C946-B1 (higher certification than A)

Joe

Re: Ford Oil specs [Re: schirjo] #4849234 08/23/18 10:22 PM
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jongies3 Offline
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Originally Posted By: schirjo
3.5L ecoboost V6

I know for fact that Mobil 1 AFE 0W-30 meets the B1 spec, not sure about the Ford spec though as I drive a Toyota, but 0W-30 is fine to use in place of 5W and is covered under warranty according to Mobil. AFE is very stout oil with a healthy dose of PAO in the formula which I like, I prefer it over standard M1 5W-30.


2004 Toyota Tacoma 3.4 V6: Mobil 1 AFE 0W-30, FRAM PH3614 filter
2003 Buick Park Avenue Ultra S/C 3.8 V6: QSGB 5W-30, FRAM PH3387 filter
2013 Honda 400EX ATV: Mobil 1 Racing 4t 10W-40, OEM filter
Re: Ford Oil specs [Re: schirjo] #4849260 08/23/18 10:59 PM
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ZeeOSix Offline
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Originally Posted By: schirjo
The source of my confusion:
dexos 1 Gen 2 oils also meet WSS-M2C946-B1
Oils labeled WSS-M2C946-A do not meet dexos 1 Gen 2

Mobil-1 5w30 lists as Dexos 1 gen 2, but also as WSS-M2C946-A.


Maybe the B1 spec also meets A. But A can't meet B1. Does Mobil dexos1 Gen2 info show it meets both B1 and A specs?

Re: Ford Oil specs [Re: schirjo] #4849276 08/23/18 11:50 PM
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ZeeOSix Offline
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Valvoline shows the Ford B1 spec on their dexos1 Gen2 5W-30 - LINK

Maybe Mobil failed to update their website info. I'd contact Mobil and see what they have to say about it.

Re: Ford Oil specs [Re: schirjo] #4852939 08/28/18 02:43 AM
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weasley Offline
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Both are 5W-30 ILSAC GF-5 type oils. B1 adds a Ford LSPI test requirement to the A spec.


2017 SEAT Leon 1.4 EcoTSI 150 FR Technology DSG
2018 Volvo XC60 D4
2011 KTM 990 SMT
Re: Ford Oil specs [Re: weasley] #4859777 09/04/18 05:18 PM
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schirjo Offline OP
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Follow up:

I contacted mobil-1 oil through their website. They confirmed that mobil-1 does NOT meet the Ford B1 spec.
He tried telling me that my truck does not call for the B1 spec but that is wrong, I got the info straight from the owner's manual.
I ended up going with the valvoline full synthetic "for newer engines", which does meet the B1 spec.

Much thanks to all for your responses.


Email from Mobil-1 begins below:


Joseph,

Odd. I'm seeing Ford calling for the 946-A spec rather than 946-B1 for 2018.

https://mobiloil.com/en/product-selector?Year=2018&Make=Rm9yZA%3D%3D&Model=Ri0xNTA%3D&Engine=S2luZyBSYW5jaCA2LUN5bCAzLjUgKEcpIChHQVMp

It's interesting, because the only 2019 Ford we've received so far is the Mustang, and I see that both the Ecoboost and the V8 Mustangs have gone to B1 specs for 2019, while both used A specs for 2018. It makes me wonder if this is a new generation of specs across the board, and we'll be busy applying for the new approvals. For the moment, though, if your manual specifically says 946-B1, I would err on the side of caution, rather than do anything which might put a warranty at risk.

Thank you for choosing Mobil,
Jim
Mobil Help Desk Team Lead

Re: Ford Oil specs [Re: schirjo] #4926232 11/16/18 05:36 PM
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Vstrom Offline
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The regular Mobil1 5W-30 with the "Advanced Full Synthetic" label now shows it meets Ford WSS-M2C946-B1.
The big question is did they change the formula or did the existing oil get the certification?
I have a stash of Mobil1 5w-30 that doesn't show the B1 spec and some that does....all bought within the last 9 months or so.

Re: Ford Oil specs [Re: Vstrom] #4926285 11/16/18 06:38 PM
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Greggy_D Offline
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Originally Posted by Vstrom

The big question is did they change the formula or did the existing oil get the certification?


Is it possible to e-mail Mobil and ask? I've never dealt with them directly so I do not know how responsive they are to customer questions.


Greggy D.

Re: Ford Oil specs [Re: Vstrom] #4926841 11/17/18 01:11 PM
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Whimsey Offline
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Originally Posted by Vstrom
The regular Mobil1 5W-30 with the "Advanced Full Synthetic" label now shows it meets Ford WSS-M2C946-B1.
The big question is did they change the formula or did the existing oil get the certification?
I have a stash of Mobil1 5w-30 that doesn't show the B1 spec and some that does....all bought within the last 9 months or so.


I would guess that the Mobil 1 5W-30 that meets the Dexos 1 Gen 2 specs but only lists Ford's WSS-M2C946-A and not the B-1 also meets the NEW Ford B-1 specs. It's like Mobil 1 5W-30 already had the low Calcium higher Magnesium levels version of Dexos 1 Gen 2 long before GM came out with it. Their bottles could not say so because the GM Dexos 1 Gen 2 was not authorized until later 2017 I believe. The newer bottles will eventually show the B-1 on their label.

Re: Ford Oil specs [Re: schirjo] #4926955 11/17/18 03:31 PM
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OilUzer Offline
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Curious what's the diff between b1/a specs.

Does Ford or any other manufacturer specify chemical structure or the tests that the oil must pass for example to get b1 or even d1g2? You would think they must work with some oil companies to obtain and test the oil before specifying it?
relatively speaking, oil companies should know much more about oil that Ford or GM or Honda .... I'm guessing the car companies have to rely heavily on oil company experts to formulate a new oil.

How does that process of coming up with new spec wotk?

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