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#2416248 - 10/25/11 07:28 PM Mobil 5w50 SN VOA
Matt_N Offline


Registered: 11/05/10
Posts: 58
Loc: Akron, OH
I recently picked up four cases of M1 5w50 for the wholesale distributor near my work (Petroalliance / Cleveland). All four cases were API SN, so I sent in a sample to see what (if anything) changed in this formulation.

Good news -- Not much changed! Below is a link to a VOA I had done with API SM M1 5w50 exactly a year ago: API SM M1 5w50 VOA

Below is the VOA for the new SN 5w50:

AL, CHRM, FE, CU, PB, TIN = ALL 0 PPM. Trace of Potassium, Sodium, Silicon.
MOLY = 91
BORON = 242
CALCIUM = 3127
MAGNESIUM = 24
PHOS = 951
ZINC = 1132

kV @ 100C = 16.43 cSt
Flashpoint = 435F

I had them re-test the kV @ 100C, seemed thinner than M1 spec'd -- they verified the 16.43 cSt measurement.

Continue to use the Mobil 1 5w50 SN with confidence!

Matt

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#2416388 - 10/25/11 09:32 PM Re: Mobil 5w50 SN VOA [Re: Matt_N]
HTSS_TR Offline


Registered: 04/17/06
Posts: 19528
Loc: Lake Forest, CA
The add pack seem to be a little better with SN.
_________________________
'00 MB E430
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"Throwing food away is like stealing it from the poor and hungry" Pope Francis

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#2416454 - 10/25/11 10:53 PM Re: Mobil 5w50 SN VOA [Re: Matt_N]
SIXSPEED Offline


Registered: 08/12/10
Posts: 528
Loc: Arizona
Looks just like the API SM sample I had tested earlier in the year. Did you have it tested for TBN? BTW what were the trace levels for the Potassium, Sodium, and Silicon?

Thanks for sharing the VOA results. I'll continue to use this oil; wish it was available locally.


Edited by SIXSPEED (10/25/11 10:54 PM)

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#2416639 - 10/26/11 07:52 AM Re: Mobil 5w50 SN VOA [Re: Matt_N]
buickmaster Offline


Registered: 12/15/06
Posts: 142
Loc: Cleveland, OH
WOOT!!! Thanks Matt for this. I'm now satisfied with running my 50/50 mix of M1 SN 0w40 and 5w50.

I also don't feel too bad now driving to Petroalliance to pick up my case now either. I was feeling a bit crazy, but seeing as you came up from Akron I don't feel too bad. I'm in Shaker.


Edited by buickmaster (10/26/11 07:56 AM)
_________________________
1991 Mitsubishi Galant VR4 - 2.0L 4G63T/4WD/4WS (me)
196k mi - M1 0W40/5W50 Mix

2012 Kia Forte - 2.0L Theta II (wife)
2500 mi - OEM

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#2419495 - 10/29/11 09:32 AM Re: Mobil 5w50 SN VOA [Re: Matt_N]
virginoil Offline


Registered: 09/05/05
Posts: 1589
Loc: western australia
kV @ 100C = 16.43c St is less than 16.5 and is this a 5w40 weight ?

Zn is about 140ppm more for the SN version. ie 14% more.


Edited by virginoil (10/29/11 09:36 AM)
_________________________

Arrivederci e buona sera

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#2419516 - 10/29/11 10:03 AM Re: Mobil 5w50 SN VOA [Re: virginoil]
SIXSPEED Offline


Registered: 08/12/10
Posts: 528
Loc: Arizona
Originally Posted By: virginoil
kV @ 100C = 16.43c St is less than 16.5 and is this a 5w40 weight ?

Zn is about 140ppm more for the SN version. ie 14% more.
It's > 16.3 cSt, which qualifies for being a 50 grade oil.


Edited by SIXSPEED (10/29/11 10:05 AM)

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#3209446 - 12/07/13 12:49 PM Re: Mobil 5w50 SN VOA [Re: Matt_N]
CATERHAM Offline


Registered: 11/18/05
Posts: 10139
Loc: Burlington, Ontario, Canada
A KV100 of 16.43cSt is still a fair bit lower than the published figure of 17.5cSt.
Is not uncommon with heavier oil grades in particular to err on the low side when additizing the required amount of polymer thickener.
The result is an oil that is somewhat lighter, has a lower VI but is a more shear stable oil.
With a given HTHSV of 4.4cP it's really probably closer to 4.2cP which still a whole lot heavier than M1 0W-40.

I'd be interested to see a UOA on this oil to how well it stands up. My guess is pretty well.
_________________________
74 Lotus Europa, 5W-50
86 Porsche 928S, TGMO 0W-20 25% / M1 0W-40 75%
96 BMW 328i, Idemitsu/TGMO 0W-20 70% / M1 0W-40 30%
94 Caterham 7, FUCHS 0W-20

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#3231771 - 12/30/13 10:51 AM Re: Mobil 5w50 SN VOA [Re: CATERHAM]
Matt_N Offline


Registered: 11/05/10
Posts: 58
Loc: Akron, OH
Originally Posted By: CATERHAM

I'd be interested to see a UOA on this oil to how well it stands up. My guess is pretty well.


It has done an outstanding job for my application. I have a 2007 Porsche Cayman S that sees considerable track use in the warmer months, and is stored winters. My UOAs are based on # of track events, not mileage. I change after every two events (4-6 total days of track time, which could be anywhere from 400-700mi of operation under track conditions, plus whatever freeway miles are required to commute to/from the track)

My wear metals are always in the single digits, lowest TBN was 7.7, and kV @ 100C readings have been (most to least recent) = 15.94, 16.09, 14.90, 14.41, 14.43. NOTE -- I had an additional radiator installed two OCIs ago. The purpose of the radiator is to provide additional cooling capacity for the water cooling system, which in turn will help better manage oil temps. Judging from the improvement in [email protected] measurements (from 14.9 to 16+)in the UOAs, it seems like that investment is doing it's job.

I know I could leave the oil in longer, but it's cheap insurance. If you can score this stuff from NAPA during their annual M1 sale, it ends up being really really cheap insurance.

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#3234055 - 01/01/14 07:49 PM Re: Mobil 5w50 SN VOA [Re: Matt_N]
Clevy Offline


Registered: 11/11/10
Posts: 9783
Loc: Saskatoon canada
Originally Posted By: Matt_N
Originally Posted By: CATERHAM

I'd be interested to see a UOA on this oil to how well it stands up. My guess is pretty well.


It has done an outstanding job for my application. I have a 2007 Porsche Cayman S that sees considerable track use in the warmer months, and is stored winters. My UOAs are based on # of track events, not mileage. I change after every two events (4-6 total days of track time, which could be anywhere from 400-700mi of operation under track conditions, plus whatever freeway miles are required to commute to/from the track)

My wear metals are always in the single digits, lowest TBN was 7.7, and kV @ 100C readings have been (most to least recent) = 15.94, 16.09, 14.90, 14.41, 14.43. NOTE -- I had an additional radiator installed two OCIs ago. The purpose of the radiator is to provide additional cooling capacity for the water cooling system, which in turn will help better manage oil temps. Judging from the improvement in [email protected] measurements (from 14.9 to 16+)in the UOAs, it seems like that investment is doing it's job.

I know I could leave the oil in longer, but it's cheap insurance. If you ocan score this stuff from NAPA during their annual M1 sale, it ends up being really really cheap insurance.



How exactly is dumping oil that isn't depleted and replacing it with oil that isn't depleted "cheap insurance"

Sounds more like expensive insurance considering if the tbn is at 7 and starts at 9 or 10 you've effectively thrown money out the window.
Cheap insurance,right,because the oil is some kind of risk.
_________________________
2006 Charger RT
Miles x 2 per oil filter

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#3237538 - 01/04/14 07:07 PM Re: Mobil 5w50 SN VOA [Re: Matt_N]
CATERHAM Offline


Registered: 11/18/05
Posts: 10139
Loc: Burlington, Ontario, Canada
Originally Posted By: Matt_N
Originally Posted By: CATERHAM

I'd be interested to see a UOA on this oil to how well it stands up. My guess is pretty well.


It has done an outstanding job for my application. I have a 2007 Porsche Cayman S that sees considerable track use in the warmer months, and is stored winters. My UOAs are based on # of track events, not mileage. I change after every two events (4-6 total days of track time, which could be anywhere from 400-700mi of operation under track conditions, plus whatever freeway miles are required to commute to/from the track)

My wear metals are always in the single digits, lowest TBN was 7.7, and kV @ 100C readings have been (most to least recent) = 15.94, 16.09, 14.90, 14.41, 14.43. NOTE -- I had an additional radiator installed two OCIs ago. The purpose of the radiator is to provide additional cooling capacity for the water cooling system, which in turn will help better manage oil temps. Judging from the improvement in [email protected] measurements (from 14.9 to 16+)in the UOAs, it seems like that investment is doing it's job.

I know I could leave the oil in longer, but it's cheap insurance. If you can score this stuff from NAPA during their annual M1 sale, it ends up being really really cheap insurance.

Have you installed an oil pressure gauge in your Cayman?
The KV100 values in a UOA won't tell you if you actually need to run anything heavier the the spec' M1 0W-40. For M1 0W-50 to possibly be considered worthwhile you're going to have to routinely get your oil temp's over 120C.
What are your maximum oil temp's and minimum OP values at 5,000 rpm?.
_________________________
74 Lotus Europa, 5W-50
86 Porsche 928S, TGMO 0W-20 25% / M1 0W-40 75%
96 BMW 328i, Idemitsu/TGMO 0W-20 70% / M1 0W-40 30%
94 Caterham 7, FUCHS 0W-20

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#3238423 - 01/05/14 03:00 PM Re: Mobil 5w50 SN VOA [Re: Matt_N]
A_Harman Offline


Registered: 10/01/10
Posts: 6601
Loc: Michigan
Originally Posted By: Matt_N

Below is the VOA for the new SN 5w50:

MOLY = 91
BORON = 242
CALCIUM = 3127
MAGNESIUM = 24
PHOS = 951
ZINC = 1132



From a recent VOA for M1 0w40:
Mo = 74
B = 221
Ca = 3003
Mg = 19
P = 893
Zn = 1023

Could it be that M1 5w50 is just a thicker version of M1 0w40?
_________________________
1985 Z51 Corvette track car
2002 Camaro Z28 LS1/6-speed
2001 Dodge Ram 2500 diesel
1972 GMC 1500 shortbed project truck

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#3238790 - 01/05/14 08:58 PM Re: Mobil 5w50 SN VOA [Re: Matt_N]
dailydriver Offline


Registered: 03/14/06
Posts: 8752
Loc: Bucks County, Pa.
Does this product have Ford's actual approval yet for the Coyote (boosted or otherwise) specs which call for a 5W-50??

IT SHOULD!! wink
_________________________
2000 Z28 1SC 6 speed 180K miles
4L Motul 300V 0W-40, 2L Motul 300V 0W-20
M1-206 oil filter
Motul Gear 300 75W-90
Red Line D4/MTL in the T56

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#3239517 - 01/06/14 02:28 PM Re: Mobil 5w50 SN VOA [Re: A_Harman]
CATERHAM Offline


Registered: 11/18/05
Posts: 10139
Loc: Burlington, Ontario, Canada
Originally Posted By: A_Harman
Originally Posted By: Matt_N

Below is the VOA for the new SN 5w50:

MOLY = 91
BORON = 242
CALCIUM = 3127
MAGNESIUM = 24
PHOS = 951
ZINC = 1132



From a recent VOA for M1 0w40:
Mo = 74
B = 221
Ca = 3003
Mg = 19
P = 893
Zn = 1023

Could it be that M1 5w50 is just a thicker version of M1 0w40?

As far as the add' pac' is concerned I'd say yes.
Since M1 5W-50 is the only 50 grade oil on the Porsche A40 list it would be an ideal choice to thicken up M1 0W-40 if required (based on OP/OT). I can't see the need in most applications to running the pretty heavy M1 5W-50 straight with it's HTHSV of 4.4cP.
_________________________
74 Lotus Europa, 5W-50
86 Porsche 928S, TGMO 0W-20 25% / M1 0W-40 75%
96 BMW 328i, Idemitsu/TGMO 0W-20 70% / M1 0W-40 30%
94 Caterham 7, FUCHS 0W-20

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#3261527 - 01/27/14 12:50 PM Re: Mobil 5w50 SN VOA [Re: A_Harman]
zoli Offline


Registered: 05/22/11
Posts: 307
Loc: Hungary
Originally Posted By: A_Harman
Originally Posted By: Matt_N

Below is the VOA for the new SN 5w50:

MOLY = 91
BORON = 242
CALCIUM = 3127
MAGNESIUM = 24
PHOS = 951
ZINC = 1132



From a recent VOA for M1 0w40:
Mo = 74
B = 221
Ca = 3003
Mg = 19
P = 893
Zn = 1023

Could it be that M1 5w50 is just a thicker version of M1 0w40?

This is the BEST info I have ever seen on my screen!!! Thx a lot for these!
I like a lot M1 5w50 in my flat tappet MY98 SAAB 9-5, but I have never compared it against the 0w40 has SAAB approval - and makes me valve noise at idling by fully warmed up engine. smile
_________________________
2001 VOLVO S60 2.0t L5 A/T
233K+ M | B5204T2 | Total Q9KE 5W40 | Mahle OX149D | OCI 6K M

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#3271123 - 02/05/14 09:31 AM Re: Mobil 5w50 SN VOA [Re: Matt_N]
LoneRanger Offline


Registered: 07/02/07
Posts: 3578
Loc: Midwest USA
Nice but how might it hold up in a shared sump motorcycle with wet clutch? There's your test for sheer stability! wink
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'09 Subaru Forester ...................(QSED DEXOS1 5W30)
'16 Moto Guzzi Stelvio 1200 .....(ENI i-Ride PG 10W60)

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