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2013 vs 2014 C-Max Engine Oil Specs


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37 replies to this topic

#21 OFFLINE   Plus 3 Golfer

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Posted 14 February 2014 - 12:29 PM

...... Mobil 1 and other name brand synthetics exceed the viscosity range listed but I will use 5W-20 to save my warranty. Thanks, Ashley, for your help! This debate has no end. (Try asking a Ford engineer what they really think of Premium fuel in an 2.0L Ecoboost engine !)


I would argue that Mobil 1 0W20 AFE encompases the grade range of the Motorcraft oil (exceeds may be confusing implying something is wrong). Mobil 1 is better on the low end (cold start viscosity or winter "W" viscosity) and the same grade on the high end (100*C viscosity). But the more relevant numbers with respect to viscosity are the actual viscosity index and Cst numbers for the oils. As long as Mobil 1 meets or exceeds the Motorcraft spec WSS-M2C945-A , there is no warranty issue. The grades of oil have little meaning (except to the consumer as a relative measure), the grades encompass a range of kinematic viscosities. Also, it doesn't appear that Motorcraft has a full 0W20 oil. I would be more worried as to the TBN of the Motorcraft oil (fbov did a UOA at about 10k which showed a very low TBN of 0.5). I haven't been able to find the virgin TBN of the Motorcraft oils but Mobil 1 has an initial TBN of 8.8. Here's a comparison of Mobil 1 with the Motorcraft oil with respect to viscosity.

--------------------cSt@40C -cSt@100c -- Viscosity Index
0W20 Mobil 1 -- 44.8 ----------- 8.7 ------------- 173

5W20 Full ------- 45.9------------ 8.3 ------------- 159
5W20 Blend----- 50 -------------- 8.7 ------------- 164
0W20 Blend --- 44.69 --------- 8.52 ------------- 169

With respect to viscosity, I want a lower cSt@40*C for winter performance, a higher cSt@100*C for hot weather, and a higher viscosity index as that is a calculated value from Cst numbers to indicate viscosity change to temperature (higher means less change in viscosity for temperature difference).

But, I believe the bottom line is that by following the oil life monitor, checking oil level regularly, using spec oil (likely even with non-spec quality oil) one will not have an engine issue related to the lubricating oil. I also seriously doubt one will see a measurable FE improvement among the oils above. For comparison, one might see a FE difference is one used Motorcraft 5W30 oils with these viscosities:

5W30 Blend --- 65 ------------ 10.8 -------------163
5W30 Full ------ 60 ------------ 10.5 ------------ 166


Edited by Plus 3 Golfer, 16 February 2014 - 09:57 AM.

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#22 OFFLINE   Smiling Jack

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Posted 14 February 2014 - 07:37 PM

Smiling Jack,

 

Vehicle design processes and engineering specifics are considered proprietary info, and are not available to the public.

 

Ashley

But if there were actually any changes, the 2014 engine certainly SHOULD have a different part number, ant it apparently does not.  (The part numbers are in the public domain; so the fact that there was no design change is therefore publicly available info.)



#23 OFFLINE   Plus 3 Golfer

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Posted 14 February 2014 - 08:44 PM

Here's a graph I found that might help in explaining why one wants an oil with a high Viscosity Index other things be the same.  The Green line could represent Motorcraft 5W20 Blend.  The Red line could represent Mobil 1 0W20.  Both have the same viscosity at 100*C but Mobil 1 has a higher VI.  Thus, there is the potential for fuel economy savings at temps below 100*C and better durability above 100*C using Mobil 1 vs Motorcraft 5W20 blend.  The olive colored dashed line might represent Motorcraft 5W20 full synthetic as its 100*C viscosity is lower than the Red and Green curves at 100*C but the slope would be slight better than what's depicted.  It's slope would be tilted more towards the Red line. 

 

3d2586b9-6aa5-4e61-8bf9-efb627b780f1.jpg


Edited by Plus 3 Golfer, 30 November 2014 - 10:43 AM.

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#24 OFFLINE   fbov

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Posted 24 February 2014 - 06:50 PM

Two comments on a nice description.

 

There are two ways to achieve a high VI, by starting with a high VI base fluid, or by adding VII's - viscosity index improvers - to a low VI fluid. You want high VI, but in the base oil, not as a result of VIIs.

 

The olive line looks more like aged dino-juice than new 5W20 synth.

- same slope, but you agree it should be lower

- lower viscosity @ 100C, which means it's not 20 grade, as one suspects from the labeling.

 

I would expect Mobil 1 5W20 and Motorcraft Synth 5W20 to have very similar properties on a chart like this. I don't see a techincal basis for assuming otherwise.

 

Have fun,

Frank



#25 OFFLINE   webcontrol

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Posted 25 February 2014 - 01:49 PM

From I read, Toyota Prius owners have been using 0W20 Mobile-1 full syn oil with great success. I think Ford should be fine, too. I saw some manufactures made changes to its parts, but still give same part number, Ford might do that here.  Even through 2013 and 2014 engine labeled with same part number, they are probably different in some detailed spec, like cylinder tolerance range, etc.  Using 0W20 oil in 2013 C-MAX might cause engine knocking.  I will stick with 5W20 full oil for my C-MAX 2013.

 

However, I am not sure I understand the reason some the posting saying that Mobile-1 full syn oil not as good as Motorcraft one's. 



#26 OFFLINE   ptjones

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Posted 25 February 2014 - 04:49 PM

Just an interesting note on duty cycle of ICE on my 6K mi. trip I got about 42mpg and 93% ICE. On my record trip of 909 mi., 65.4mpg on one tank I used ICE 29%, EV 71% big difference ICE running time. :)

 

Paul



#27 OFFLINE   webcontrol

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Posted 28 February 2014 - 01:13 AM

Just did old change with Mobile-1 full syn 5w20 oil.  My last oil change was 5000 miles ago with same kind 5w20 oil. However, I feel like after oil change mpg is lower than before oil change.  Is that because 5w20 oil is too thick when it is new?



#28 OFFLINE   Plus 3 Golfer

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Posted 28 February 2014 - 09:06 AM

The viscosity of Mobil 1 5W20 (see below) is slightly "thicker" than the Motorcraft 5W20 full synthetic shown in previous post.  

 

Viscosity, @ 40ºC, cSt  49.8

Viscosity @ 100ºC, cSt 8.9

Viscosity Index 160

 

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#29 OFFLINE   Smiling Jack

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Posted 28 February 2014 - 12:56 PM

.................... Even through 2013 and 2014 engine labeled with same part number, they are probably different in some detailed spec, like cylinder tolerance range, etc.  ......................

 

 

 

In my experience,  a change in applicable specifications or in toloerances would always require an engineering change order and a change in drawing number or drawing revision number.



#30 OFFLINE   mtb9153

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Posted 01 March 2014 - 02:54 AM

Just an interesting note on duty cycle of ICE on my 6K mi. trip I got about 42mpg and 93% ICE. On my record trip of 909 mi., 65.4mpg on one tank I used ICE 29%, EV 71% big difference ICE running time. :)

 

Paul

really interesting Paul, 909 miles round trip?  Glad your home safe.



#31 OFFLINE   ptjones

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Posted 01 March 2014 - 01:06 PM

really interesting Paul, 909 miles round trip?  Glad your home safe.

No, 909mi. was on a trip to Phoenix, AZ and the first tank was from Newnan,GA to Weatherford,TX the end of Oct. when temps were warmer. Thanks, we're glad too. :)

 

Paul



#32 OFFLINE   webcontrol

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Posted 01 March 2014 - 11:58 PM

Thanks for that information.  From that, Mobile-1's 5W20 full syn oil is similar to Motorcraft 5W20 blend.  What about Royal purple's oil, anybody tested that?  I think they may have different additives.



#33 OFFLINE   JAZ

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Posted 04 March 2014 - 07:04 AM

Further confounding the situation, Mobil 1 has just released Extended Performance 0W-20, but lists the same Ford specs as the 5W-20, i.e.,  

 

Mobil 1 Extended Performance 0W-20 synthetic motor oil meets or exceeds the requirements of:
ILSAC GF-5
API SN, SM, SL, SJ
Ford WSS-M2C945-A
Ford WSS-M2C930-A 

 

Additionally, inputting data for the 2013 at their website returns a recommendation of 5W-20 Extended Performance, while using 2014 returns 0W-20.  Everyone's playing hardball with this.

 

http://msg1svc.net/s...d30267469643d30



#34 OFFLINE   Plus 3 Golfer

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Posted 04 March 2014 - 08:54 AM

Further confounding the situation, Mobil 1 has just released Extended Performance 0W-20, but lists the same Ford specs as the 5W-20, i.e.,  

 

Mobil 1 Extended Performance 0W-20 synthetic motor oil meets or exceeds the requirements of:
ILSAC GF-5
API SN, SM, SL, SJ
Ford WSS-M2C945-A
Ford WSS-M2C930-A 

 

Additionally, inputting data for the 2013 at their website returns a recommendation of 5W-20 Extended Performance, while using 2014 returns 0W-20.  Everyone's Ford is still playing hardball with this.

 

http://msg1svc.net/s...d30267469643d30

Good find.  Now, if you select superior protection instead of ultimate protection on the Mobil site, the 0W20 AFE oil comes up again for the 2013 and now also for the 2014 C-Max. Evidently, since Mobil1 now has a EP oil for the C-Max, it shoves AFE down a notch.  If you select the lowest level of protection (Premium Protection) on the site, Mobil displays the oils for all levels of protection - Ultimate, Superior, and Premium.  

 

BTW, I corrected your sentence above.  ONLY FORD IS APPARENTLY PLAYING HARDBALL.   I do wonder though why Mobil makes no reference to WSS-M2C947-A (maybe oversight).


Edited by Plus 3 Golfer, 04 March 2014 - 12:50 PM.


#35 OFFLINE   Plus 3 Golfer

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Posted 04 March 2014 - 12:36 PM

For those not wanting to look at the Mobil site, here's Mobil 1 recommendations for the 2013 and 2014 C-Max.

 

gallery_167_32_48605.jpg

gallery_167_32_38139.jpg


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#36 OFFLINE   webcontrol

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Posted 07 March 2014 - 06:01 PM

What about Royal Purple 0W20 full sync oil?  I saw a lot of people like Royal Purple better than Mobile1



#37 OFFLINE   Bill-N

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Posted 12 March 2014 - 01:19 PM

This today on OASIS; not C-Max specific but none-the-less relevant (IMO):

 

 

Mar 12 2014 4717 -2014 Fusion and MKZ Hybrid/Energi - Oil Viscosity Specification Change

The oil viscosity recommendation of 5W-20 on the oil fill caps on some 2014 Fusion and MKZ Hybrid/Energi vehicles may appear to conflict with the owner guide and other service publications which recommend 0W-20 oil. Both 0W-20 oil and 5W-20 oil are approved for use in these vehicles. 

#38 OFFLINE   webcontrol

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Posted 12 March 2014 - 06:43 PM

I checked with Royal Purple oil manufacture. They recommend still using 5W20 for C-MAX 2013, and told me that  the FE gain by using 0W20 will not be noticeable. So I will keep using 5W20 fully synth oil.


Edited by webcontrol, 05 April 2014 - 10:26 PM.







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