Mobil 7500 SM 5w-30 / 10w-30 with Particle Count

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quote:
Originally posted by guile:
Not to start anything here, but where has it been covered before that the new Mobil 7500 is Group III. I mean besides the anecdotal information provided by some, where's the definitive proof (Product Data Sheet or MSDS) that would provide irrefutable evidence?
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Somone who works for XOM posted that the 5000 was Group III and the 7500 was a Group III/PAO blend. Several people here called the Mobil tech support line and this information was confirmed.

Read the trade journals and you will know how XOM can produce Group III more cheaply now than what most other oil companies can produce Group II for, so TooSlick's argument based on price alone is moot.
 
For years ExxonMobil has sold exceptional PAO for the same price, or even less, than the competition's price of mediocre Group III. It does appear 'too good to be true', but if XOM can make the 7500 a quality oil and sell it for that price, great-good for them, and good for the customer.
 
G-ManII,

With all due respect remain unconvinced - lets' see it in writing....

BTW, we may be talking a matter of semantics here. GP II basestocks have VI's of < 120 and GP III basestocks have VI's > 120; they both have similar levels of sulphur and saturates. So you technically could have a GP III, "synthetic" with a VI of 121 of 121, that would be little better than a so called "petroleum" oil.


TS

[ March 07, 2005, 05:48 AM: Message edited by: TooSlick ]
 
sully, et al,

Analyzing the data on an MSDS exceeds my abilities. I'm not really able to discern much from this ... read in the past other posters were able to draw conclusions regarding the true synthetic nature (or not) of the oil represented.

Couple of data points did catch my eye though (Mobil 7500/5w30):
Pour Point: -24°C (-11°F)
Flash Point [Method]: >200°C (392°F) [ ASTM D-92]

From the knowledge I've gathered here on BITOG, these numbers aren't that great. Hmmm ... maybe this oil isn't such a great deal. One of the primary reasons I consider synthetics is their ability to flow well in cold weather ... moving to D.C. this summer and I need an oil that will perform well during the winter.
 
Not sure about the data in the Mobil 7500 (5w30) MSDS ... this post BITOG post shows a FP of 392 and a PP of -44 for the old Mobil Drive Clean Plus Syn Bld 5w30. Additionally, all other Syn Blends listed have better PP than the -11 listed for the new 7500 ... perhaps an error on the MSDS??
 
Called Mobil and their response to the Grp III question: Mobil motor oil formulations are considered proprietary and not available external to ExxonMobil.
rolleyes.gif
 
The SAE 5w30 grades are tested @ -30C/-22F to determine their Cold Crank Simulator or "CCS" viscosity. The maximum allowable viscosity is about 6500 Centipoise and the car will actually start at significantly colder temps than the CCS viscosity.

A PP of -44F seems very reasonable to me for a 5w30 synthetic blend....A flashpoint of 392F is only marginally higher than for a good, Group II petroleum oil.

TS
 
I see MSDS's being misused often here. A company does not have to give up "trade" Secrets in the MSDS and they can include a safety margin in Toxic effects as well as flashpoints to encourage proper handling and storage.
I noticed that They do not list the CAS #'s on the base oils. They don't want the competition to know what they are using so they only put information that is important to Hazard communication in the MSDS's.

I would not rely on this document for accurate technical data. I would use it to identify hazards associated witha substance.

Any technical data they give us on tech data sheets is only released after the technology that makes a product unique is no longer uncommon. I am sure industrial espionage is a high concern when so much effort and money is invested in developing new formualtions. Why would they give away more information than they have too?
Most consumers don't care that much about the VI of the base oils or what percentage is PAO. Most people on this forum are much more technicly savy than we can justify concerning oils, and the rest are in the business. We are definately in the minority when it comes to nitpicking numbers on publicly released documents.

So here is what I was able to pluck out of the MSDS
"Contains:
Base oil severely refined: Not carcinogenic in animal studies. Representative material passes IP-346, Modified Ames test, and/or other screening tests. Dermal and inhalation studies showed minimal effects; lung non-specific infiltration of immune cells, oil deposition and minimal granuloma formation. Not sensitizing in test animals"

So it is refined to the point that it is very low in toxicity. Another substance I found towards the bottom besides ZINC ALKYLDITHIOPHOSPHATE

Is
DIPHENYLAMINE Cas 122-39-4 Any one have a technical explanation for that??
cool.gif


[ March 07, 2005, 09:56 PM: Message edited by: Bryanccfshr ]
 
I think I may give my money to the smaller companies. I like a company I can call and talk to about their product. Schaeffers, Redline and Lube Control are a good examples. I recently spoke to a tech at Quaker State about their new synthetic and came away with more information than I requested. They were very enthusiastic about discussing their product. Sorry for being kinda off topic.

[ March 07, 2005, 10:44 PM: Message edited by: sully ]
 
i hope this oil works good in my f150(4.6)I actually put it in today along with a purolator pure 1 oil filter(oil is mobil 7500)I will run this oil to 4k miles and send it for testing if everything looks good i'll keep it longer next time
 
quote:
Originally posted by aztec12:
i hope this oil works good in my f150(4.6)I actually put it in today along with a purolator pure 1 oil filter(oil is mobil 7500)I will run this oil to 4k miles and send it for testing if everything looks good i'll keep it longer next time
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5w30 its what i used in my truck
 
quote:
I see MSDS's being misused often here. A company does not have to give up "trade" Secrets in the MSDS and they can include a safety margin in Toxic effects as well as flashpoints to encourage proper handling and storage
Click to expand...
This is what they do. I learned not to go by the MSDS's. I thought for awhile they gave the right numbers but learned they don't.

PDS's should be out anytime now for the new Mobil 1 EP.
 
a little
offtopic.gif
, but

I just checked the MSDS for Mobil 7500 10/30 and Mobil High Mileage 10/30; They're both 10.5 cSt at 100*C...
wonder why; Most other brands "high mile" oils are a little thicker than their regular oil of the same grade.

So, is the 7500 a better formulation than the high mile version?
 
All I know is that I currently run Mobil 1 SS in my vehicles for 5k mile intervals and am seriously considering swapping to the 7500.
cheers.gif
 
quote:
Originally posted by elwaylite:
All I know is that I currently run Mobil 1 SS in my vehicles for 5k mile intervals and am seriously considering swapping to the 7500.
cheers.gif

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Ditto. My '00 Civic EX has been getting Mobil 1 5w30 for 5k, but I think when the next change is due I'm gonna try out the 7500 and see what happens.

My 9-5 Aero will continue to get the full on Mobil 1.

jeff
 
What I found on thier webiste:

Is Mobil Clean 5000 a synthetic oil or a synthetic blend?

Mobil Clean 5000 is not a synthetic or synthetic blend. While it does offer high performance, the base stock composition is non-synthetic.


Mobil Clean 7500
Mobil Clean 7500, a new synthetic blend motor oil, provides outstanding protection for today’s longer service intervals — with 18 percent more cleaning agents than even Mobil Clean 5000 to protect critical engine parts for up to 7,500 miles under typical driving conditions
 
Yeah, I think the 7500 is just a newer/maybe better version of the old Drive Clean Plus Blend which was a very good oil from what I've heard on here. And since I only go 5k on the oil, its probably smarter and cheaper for me to run the 7500.
 
Yeah I am considering it too. I am going to do a litle more research. On my CRV I have been using M1 but I have a warranty that specifies oil changes every 3K or something like that. SO I may just use 7500 for the CRV till the warranty runs out.
 
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