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Mobil 1 and 500 degrees fahrenheit ? #4695842
03/15/18 04:08 PM
03/15/18 04:08 PM
Joined: Aug 2014
Posts: 427
Florida
lawnguy Offline OP
lawnguy  Offline OP

Joined: Aug 2014
Posts: 427
Florida
Mobil 1 claims that their Mobil 1 fully synthetic oil can withstand temps up to 500 degrees fahrenheit.

Does anyone know if Mobil has actually tested this and made video of the test?

Another question I have is have any other manf. of fully synthetic oil made a claim close to this?

Last edited by lawnguy; 03/15/18 04:09 PM.
Re: Mobil 1 and 500 degrees fahrenheit ? [Re: lawnguy] #4695865
03/15/18 04:21 PM
03/15/18 04:21 PM
Joined: Feb 2003
Posts: 8,184
Jupiter, Florida
Cujet Online content
Cujet  Online Content

Joined: Feb 2003
Posts: 8,184
Jupiter, Florida
I use M1 exclusively in my turbo cars. I promise that the turbocharger shaft, reaches 500 degrees F where it comes in contact with oil, as the metal's color temperature is solidly straw at the bearings edge, tapering to brown near the turbine side seal. Which is 500 deg F.

No coking of oil using M1.


People who count on their fingers should maintain a discreet silence.
Re: Mobil 1 and 500 degrees fahrenheit ? [Re: lawnguy] #4695883
03/15/18 04:51 PM
03/15/18 04:51 PM
Joined: Sep 2015
Posts: 967
California
mbacfp Offline
mbacfp  Offline

Joined: Sep 2015
Posts: 967
California
Is the flashpoint of an oil also relevant? Turbo might be 500 degrees but that doesn't mean the oil is at 500 degrees? One of the attributes of Delvac 5w40 CJ4 is it had a relatively higher flashpoint than others (assuming due to PAO content) which I liked for the turbo diesel F550. Thanks for sharing.


2014 F-550 PSD..........M1 Delvac ESP 5w-40 + OEM
2018 Dodge Charger SRT Hellcat
2012 Toyota Sienna LTD 3.5L V6
2003 Dodge Durango R/T 4x4 5.9L V8
Re: Mobil 1 and 500 degrees fahrenheit ? [Re: lawnguy] #4695941
03/15/18 05:52 PM
03/15/18 05:52 PM
Joined: Jun 2016
Posts: 4,247
MN
oil_film_movies Offline
oil_film_movies  Offline

Joined: Jun 2016
Posts: 4,247
MN
Not sure what this is doing in the diesel oil part of bitog, but OK.
Mobil has several videos on youtube where they talk about turbo bearings and heat.
Yet, understand Ford says you can run conventional GroupII dino oil in Ecoboost engines, and they are proven to last just fine, with water cooling and oil cooling critical at shutdown time especially.

Re: Mobil 1 and 500 degrees fahrenheit ? [Re: lawnguy] #4695982
03/15/18 06:39 PM
03/15/18 06:39 PM
Joined: Jun 2015
Posts: 5,020
New England
Virtus_Probi Offline
Virtus_Probi  Offline

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Posts: 5,020
New England
500F is 260C, so this is not too far from the temp at which NOACK testing is performed (250C).
I guess the big difference would be that anything that goes to gas in NOACK testing will be carried away by the air flowing over the pan while it would be confined near a turbo and likely go back to liquid after flowing back towards cooler oil...???


2014 Forester XT, 95000 miles
Last Change;
M1 0W30 AFE d1G2
Tokyo Roki 15208AA170 filter
Re: Mobil 1 and 500 degrees fahrenheit ? [Re: lawnguy] #4696019
03/15/18 07:18 PM
03/15/18 07:18 PM
Joined: May 2007
Posts: 631
Indiana
njohnson Offline
njohnson  Offline

Joined: May 2007
Posts: 631
Indiana
Mobil 1 says now it can withstand temps up to 500 degrees. I remember years ago they used to say up to 400 degrees. I can't recall what year they changed it.

When Pennzoil first introduced the PurePlus GTL formulations, their website talked about withstanding temps up to 400 degrees! I thought it was interesting because Mobil used to be about the only one saying that. By that time, Mobil had already saying up to 500 degrees.
Looking around the Pennzoil now, I don't see any mention of it anymore.

Same thing with Valvoline, a few years ago, I remember seeing on their website where they said their synthetics withstand up to 400 degrees. Now, I don't see it anymore

It looks like Pennzoil and Valvoline have backed down on their claims. Mobil is still saying up to 500 degrees.

Re: Mobil 1 and 500 degrees fahrenheit ? [Re: lawnguy] #4696156
03/15/18 09:35 PM
03/15/18 09:35 PM
Joined: Jul 2012
Posts: 2,403
Nashville, TN via Memphis
john_pifer Online content
john_pifer  Online Content

Joined: Jul 2012
Posts: 2,403
Nashville, TN via Memphis
PPPP 10W-30s last published NOACK was 4.7%. Being that stable, its gotta be able to withstand some heat. Thats why I run it in the WRX, instead of the 5W-30 it calls for.


16 WRX - PPPP
07 Tacoma V6 - M1 EP 5W-30, Fram Ultra, 10K OCIs, 208K
07 Yamaha R1 - Rotella T6 5W-40, Bosch 3300
07 Yamaha YZ-250, Klotz, Rotella

Re: Mobil 1 and 500 degrees fahrenheit ? [Re: lawnguy] #4696197
03/15/18 10:38 PM
03/15/18 10:38 PM
Joined: Dec 2016
Posts: 8,198
Waco, TX
Linctex Offline
Linctex  Offline

Joined: Dec 2016
Posts: 8,198
Waco, TX

Who remembers these commercials?




"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."
Re: Mobil 1 and 500 degrees fahrenheit ? [Re: Linctex] #4696225
03/15/18 11:37 PM
03/15/18 11:37 PM
Joined: Mar 2015
Posts: 6,018
Virginia
bbhero Offline
bbhero  Offline

Joined: Mar 2015
Posts: 6,018
Virginia
I actually vaguely remember that... Mobil 1.... Fried Chicken approved LOL


Nissan Altima 3.5 Coupe
Carquest Full synthetic HM 5w30 84356 Carquest blue
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Re: Mobil 1 and 500 degrees fahrenheit ? [Re: lawnguy] #4696291
03/16/18 03:45 AM
03/16/18 03:45 AM
Joined: Jul 2016
Posts: 1,330
Europe
SonofJoe Offline
SonofJoe  Offline

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Posts: 1,330
Europe
Personally I'd take these claims with a huge dollop of salt.

Can the oil withstand 500F (260C) momentarily in a relatively oxygen free environment, like when it zips through something like a turbo bearing? Perhaps. But for sustained periods with lots of hot, oxygen rich blow-by around? I very much doubt it.

Also bear in mind that even if the PAO base could take this level of heat, any ZDDP or HSD VII in the oil markedly cannot without breaking down.

Re: Mobil 1 and 500 degrees fahrenheit ? [Re: lawnguy] #4696305
03/16/18 04:40 AM
03/16/18 04:40 AM
Joined: Mar 2013
Posts: 852
UK
weasley Offline
weasley  Offline

Joined: Mar 2013
Posts: 852
UK
^^This^^

What does "withstand" mean? Momentarily? Sustained? Oxidation? Volatility? Flash point?


2017 SEAT Leon 1.4 EcoTSI 150 FR Technology DSG
2018 Volvo XC60 D4
2011 KTM 990 SMT
Re: Mobil 1 and 500 degrees fahrenheit ? [Re: lawnguy] #4696338
03/16/18 06:21 AM
03/16/18 06:21 AM
Joined: Dec 2002
Posts: 42,714
'Stralia
Shannow Offline
Shannow  Offline

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Posts: 42,714
'Stralia
Every engine oil in every engine on the road hits this at some stage in the ring belt. And it does it for many thousands of km, and many hundreds of hours.

Therefore just about everything that you see on the shelf at walmart also "withstands 500F temperatures'

Re: Mobil 1 and 500 degrees fahrenheit ? [Re: SonofJoe] #4697103
03/16/18 09:00 PM
03/16/18 09:00 PM
Joined: Jun 2016
Posts: 4,247
MN
oil_film_movies Offline
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Posts: 4,247
MN
Originally Posted By: SonofJoe
Can the oil withstand 500F (260C) momentarily in a relatively oxygen free environment, like when it zips through something like a turbo bearing? Perhaps. But for sustained periods with lots of hot, oxygen rich blow-by around? I very much doubt it.
Also bear in mind that even if the PAO base could take this level of heat, any ZDDP or HSD VII in the oil markedly cannot without breaking down.

That is true, apparently backed up by Angela's statements at the 17:00 minutes point in:

Re: Mobil 1 and 500 degrees fahrenheit ? [Re: lawnguy] #4697287
03/17/18 06:23 AM
03/17/18 06:23 AM
Joined: Aug 2014
Posts: 427
Florida
lawnguy Offline OP
lawnguy  Offline OP

Joined: Aug 2014
Posts: 427
Florida
I actually didn't know that a vehicle like my 2000 F150 would get really hot,say over 200 degrees. Now my zero turn mower is what I thought would get much hotter than my truck. That's why I use Mobil 1 10w40 in my commercial zero turn mower. I have always used Mobil 1 5w30 in my truck,just because I like using fully synthetic oil.

Last edited by lawnguy; 03/17/18 06:50 AM.
Re: Mobil 1 and 500 degrees fahrenheit ? [Re: lawnguy] #4698029
03/17/18 09:04 PM
03/17/18 09:04 PM
Joined: Dec 2002
Posts: 42,714
'Stralia
Shannow Offline
Shannow  Offline

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Posts: 42,714
'Stralia

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