M1 EP 15W-50 Goes Group III

[Tom NJ]

Just one other comment. I reviewed the graphs with our G.C. analyst (45 years with the company in instrumental analysis) and our R&D Director (24 years with the company) and both drew the same immediate conclusion - loaded with Group III.

There is still a good bit of AN and PAO in the 5W-30, and I still respect Mobil's reputation for fine synthetics.

Tom

 

[uconn1150]

Tom, is this the SM you tested? I have a 5qt jug of SL which I believe is still legit.

 

[Tom NJ]

Yes it is the SM, manufactured this month.

Tom

 

[Greggy_D]

Tom, any plans on testing newer bottles of regular M1 (not EP)?

 

[Oil Changer]

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I don't mind sharing our conclusions here, but I must keep a lid on the amount of company resources spent on matters that are not strictly business.

Tom

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Oh C'mon, this is buisness. What else do you have to do all day? How 'bout a full analysis of the entire M1 line? Your company won't mind.

 

[ccs v2.0]

Corporate greed. I am glad my M1 stash is nill. At $7 a qt/$28 per 5 qt. jug isn't value IMO.

 

[bruce381]

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Hi Ekpolk,

Valid point, but to prove the point I would have to post graphs on mineral oil, AN, PAO, ester, and the M1 samples, and then get into explaining how to interpret it all. That's just a bit deeper than I wanted to get into this. I ran the oil analysis looking for esters as I am in the business and like to keep up-to-date, and shared the results here because of the great (as in fanatical

) interest in oil composition.

I was also concerned with Mobil's apparent denial, until I looked at the G.C.s of the 15W-50 and the 5W-30 this week. We did repeat the runs and compared them to known base oils under the same conditions. I have been interpreting G.C. graphs of lubricants for over 30 years and have no doubt on these analyses. From what I am reading here it appears that Mobil is giving mixed signals themselves, and it is quite possible that they do not share specific formulation information with their sales & customer service folks beyond the party line "full synthetic". Pretty common in business.

I don't mind sharing our conclusions here, but I must keep a lid on the amount of company resources spent on matters that are not strictly business.

Tom

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Tom I told you

 

[Pablo]

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They already did, remember? The XL line is Group III, and they call it synthetic. Before that line came out Amsoil made a big deal about how Group III isn't really synthetic, yada, yada. But when they introduce their own Group III oil, it's somehow now synthetic.

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Yes they call it synthetic as does the rest of industry now - but Amsoil also did not hide the fact that they changed the formulation of the XL line to Group III. Not comparable.

 

[ekpolk]

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I didn't quote anyone.

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Didn't say you did. Used your post and mine to amplify the point that I wasn't making a personal jab at Tom.

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I can't wait to see what Mobil says in response to my email. I'll post it when it appears.

Gee, I'm glad my stash of GC is still displacing a significant portion of the volume of my garage.

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So Bruce, what did you tell him? That other members might actually want the details? Any more wisecracks like that and we'll duct tape you to a chair and in front of a computer with the Synlube website open (and the nasty synthetic music turned up loud for full effect)!

 

[ekpolk]

One more thought on all this: FWIW, I'm pretty much to the point of simply discarding or ignoring the term "synthetic" altogether. I'm afraid that it has simply joined ranks with other terms like, "new", "improved", "tastes great", "less filling", blah, blah, blah. . .

Meaningful truth, it seems, is found elsewhere.

 

[BrianWC]

Big salute to Tom, Bruce, Terry, Mola, Johnny, and all the rest of the insiders and pros who take the time to explain the finer workings of this stuff to us. I love my job but I seldom take it home with me! You guys are great and PLEASE don't leave us!

 

[bruce381]

""So Bruce, what did you tell him?""

Turns out Tom and I have/know same industry people,
and have same out look.
bruce

 

[benjamming]

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For example, Shell uses Group III for their F1 teams.

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but I have to question this statement. I was under the impression that their oils are formulated differently for the different races. A simple Group III would not make it in those 20,000 rpm engines with the multiple G-forces they are exposed to.

 

[Bryanccfshr]

Why not? And what do G forces have to do with base oils?

THe Shell VHVI base oils are a great product. If the formualtion performs well then the base oil is only a matter of semantics for a few nitpickers.
Base choices on PERFORMANCE not semantics.

 

[ewetho]

So I guess soon here in America we will no longer have a true Synthetic Oil any longer???

I am a the point that GPII at 3K or less a forget it and to think I was an avid Synthetic oil guy and thus M1 fan for years. And then all the whoopla on GPIII not being a Synthetic.

Then got turned onto Redline, tried and was disappointed in Amsoil, and now all this...First Castrol, SOPUS, aw heck might as well be everyone.

No Synthetic for you!!!

So I guess the question comes down to any real downsides to GPIII vs GPIV+ in a normal engine or even the benefits of GPIII over GPII and GPII+ (Not a turbo super full race job that runs 9K)???

Is it time to return to REDLINE???

 

[just1guy]

Sorry to go off-topic, but can someone elaborate on the impact that these revelations have on the rest of the Mobil line? There use to be a clear distinction between M5000, M7500, M1, and M1 EP, but I am not so sure right now...sorry for the newbie question and thanks in advance.

 

[sootyoil]

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Sorry to go off-topic, but can someone elaborate on the impact that these revelations have on the rest of the Mobil line? There use to be a clear distinction between M5000, M7500, M1, and M1 EP, but I am not so sure right now...sorry for the newbie question and thanks in advance.

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I just strolled into w-mart to see the Mobil line of oils
and I found that ALL Mobil1 oils are A PETROLIUM I CERTIFIED except for the clean 5000 oil wich was API service

on most of the bottles on the back said excludes severe service , towing , commercial ,racing, idiling,etc etc.

my question is, can true PAO based oil pass API testing standards?

 

[G-MAN]

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my question is, can true PAO based oil pass API testing standards?

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[Mystic]

If it is true that Mobil 1 has gone Group III then I will just use Chevron or Halvoline throughout the year and not use Mobil 1 in the wintertime. What is happening here if first Pennzoil Platinum and now apparently Mobil 1 are going back to using conventional oil bases? PAO too expensive or problems found using PAO? My guess is that if Mobil 1 truly has gone Group III the oil probably will not flow at the low temperatures it once did.

 

[Bryanccfshr]

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Sorry to go off-topic, but can someone elaborate on the impact that these revelations have on the rest of the Mobil line? There use to be a clear distinction between M5000, M7500, M1, and M1 EP, but I am not so sure right now...sorry for the newbie question and thanks in advance.

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I just strolled into w-mart to see the Mobil line of oils
and I found that ALL Mobil1 oils are A PETROLIUM I CERTIFIED except for the clean 5000 oil wich was API service

on most of the bottles on the back said excludes severe service , towing , commercial ,racing, idiling,etc etc.

my question is, can true PAO based oil pass API testing standards?

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What are you smoking?

What is the point of your posts? Why has this not happened to you

?