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#1723108 - 12/29/09 07:00 AM Re: Mobil 1 0w40 VOA [Re: Doug Hillary]
HighViscosity Offline


Registered: 04/14/09
Posts: 116
Loc: Ohio
Umm......... How 'bout those bears !
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I said Dance! shoot...................... happy

2004 G35 coupe 6mt currently trying GC 0w-30


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#1723154 - 12/29/09 08:08 AM Re: Mobil 1 0w40 VOA [Re: ARCOgraphite]
ARCOgraphite Offline


Registered: 05/17/09
Posts: 8651
Loc: N.H, U.S.A.
Originally Posted By: ARCOgraphite
Looks OK on paper, Nice Boron #.
The M1 HM 10w-30 has density of .87 v, .85 and a lower 100deg C viscosity but the same HTHS above 3.5cSt. And a -65F pour point. And higher zddp. So it should provide more power and fuel mileage and maybe more protection than this oil. I do like the high boron # though ...
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#1723229 - 12/29/09 09:26 AM Re: Mobil 1 0w40 VOA [Re: ARCOgraphite]
Nick R Offline


Registered: 07/14/09
Posts: 10644
Loc: NEO
HECK I'd run that it in my cav which spece 5W-30. That looks excellent, more ZDDP and Boron than PP. Very nice.
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2013 Ford Focus SE 2.0L/37,000miles/Pennz Plat PurePlus 0W-20/FRAM Ultra

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#1723234 - 12/29/09 09:28 AM Re: Mobil 1 0w40 VOA [Re: Nick R]
ARCOgraphite Offline


Registered: 05/17/09
Posts: 8651
Loc: N.H, U.S.A.
Originally Posted By: rudolphna
HECK I'd run that it in my cav which spece 5W-30. That looks excellent, more ZDDP and Boron than PP. Very nice.
You talking the HM 10w-30?
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#1723289 - 12/29/09 10:09 AM Re: Mobil 1 0w40 VOA [Re: Nick R]
21Rouge Offline


Registered: 06/04/05
Posts: 1935
Loc: Vinegar Hill
Originally Posted By: rudolphna
HECK I'd run that it in my cav which spece 5W-30.


With all the glowing talk the last several months (and more) re this oil I think that is what many are considering. shrug

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#1723296 - 12/29/09 10:13 AM Re: Mobil 1 0w40 VOA [Re: Doug Hillary]
21Rouge Offline


Registered: 06/04/05
Posts: 1935
Loc: Vinegar Hill
Originally Posted By: Doug Hillary
Hi,

21Rouge - You said this:

"And we have seen from UOAs that this 0W40 quickly shears to a 30wt so maybe in an engine this M1 acts much like super duper thick GC?"

This may be so but in many applications this lubricant has a very stabil viscosity over very long OCI



So Doug do you have some ideas why there is that shearing of 0W40 (as seen in many UOAs on BITOG)?


Edited by 21Rouge (12/29/09 10:15 AM)

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#1723400 - 12/29/09 11:52 AM Re: Mobil 1 0w40 VOA [Re: BobFout]
CATERHAM Offline


Registered: 11/18/05
Posts: 9712
Loc: Burlington, Ontario, Canada
The Blackstone 100C vis of 13.36 cSt is quite a bit off the M1 PDS spec' of 14.0 cSt (used to be 14.3 in the not too distant past).
That's something to keep in mind when reviewing UOAs from this lab particularly when assessing how shear prone M1 0W-40 is reported to be.
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74 Lotus Europa 5W-50
86 Porsche 928S TGMO 0W-20 25%/M1 0W-40
96 BMW 328i Idemitsu/TGMO 0W-20 70%/M1 0W-40
94 Caterham 7 Sustina 0W-20 80%/0W-50

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#1723415 - 12/29/09 12:11 PM Re: Mobil 1 0w40 VOA [Re: CATERHAM]
ARCOgraphite Offline


Registered: 05/17/09
Posts: 8651
Loc: N.H, U.S.A.
So no one disputes my thought that M1 HM 10w-30 may be a better oil then the 0w-40? 10w should have less vii given the density difference = more shear stability.
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#1723423 - 12/29/09 12:18 PM Re: Mobil 1 0w40 VOA [Re: 21Rouge]
CATERHAM Offline


Registered: 11/18/05
Posts: 9712
Loc: Burlington, Ontario, Canada
Originally Posted By: 21Rouge
Originally Posted By: rudolphna
HECK I'd run that it in my cav which spece 5W-30.


With all the glowing talk the last several months (and more) re this oil I think that is what many are considering. shrug


Instead of going thicker than spec'in a modest power car like the Cavalier, especially in the winter, check out the Toyota 0W-20 VOA that's just been posted. It has the same Phos and Boron as M1 plus a killer amount of Moly.
_________________________
74 Lotus Europa 5W-50
86 Porsche 928S TGMO 0W-20 25%/M1 0W-40
96 BMW 328i Idemitsu/TGMO 0W-20 70%/M1 0W-40
94 Caterham 7 Sustina 0W-20 80%/0W-50

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#1723431 - 12/29/09 12:23 PM Re: Mobil 1 0w40 VOA [Re: ARCOgraphite]
CATERHAM Offline


Registered: 11/18/05
Posts: 9712
Loc: Burlington, Ontario, Canada
Originally Posted By: ARCOgraphite
So no one disputes my thought that M1 HM 10w-30 may be a better oil then the 0w-40? 10w should have less vii given the density difference = more shear stability.


Except that even at the end of a long OCI the 0W-40 will still have a higher VII and a higher 100C vis if that's what you need.
_________________________
74 Lotus Europa 5W-50
86 Porsche 928S TGMO 0W-20 25%/M1 0W-40
96 BMW 328i Idemitsu/TGMO 0W-20 70%/M1 0W-40
94 Caterham 7 Sustina 0W-20 80%/0W-50

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#1723443 - 12/29/09 12:33 PM Re: Mobil 1 0w40 VOA [Re: CATERHAM]
CATERHAM Offline


Registered: 11/18/05
Posts: 9712
Loc: Burlington, Ontario, Canada
Correction, I meant to say 0W-40 will have a higher viscosity index (VI).
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74 Lotus Europa 5W-50
86 Porsche 928S TGMO 0W-20 25%/M1 0W-40
96 BMW 328i Idemitsu/TGMO 0W-20 70%/M1 0W-40
94 Caterham 7 Sustina 0W-20 80%/0W-50

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#1723559 - 12/29/09 01:57 PM Re: Mobil 1 0w40 VOA [Re: CATERHAM]
BobFout Offline


Registered: 03/23/09
Posts: 2682
Loc: Indiana
Originally Posted By: CATERHAM
The Blackstone 100C vis of 13.36 cSt is quite a bit off the M1 PDS spec' of 14.0 cSt (used to be 14.3 in the not too distant past).
That's something to keep in mind when reviewing UOAs from this lab particularly when assessing how shear prone M1 0W-40 is reported to be.


I saw that difference too, I'm wondering if it really is that visco or if there is some margin of error in the analysis. /me thinks of sending a sample off to another lab for a second opinion.
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2003 VW Jetta TDI, tons o' mods with turbo upgrade. Red Line 0w40.
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#1723571 - 12/29/09 02:08 PM Re: Mobil 1 0w40 VOA [Re: ARCOgraphite]
d00df00d Offline


Registered: 10/20/05
Posts: 9291
Loc: PA
Originally Posted By: ARCOgraphite
So no one disputes my thought that M1 HM 10w-30 may be a better oil then the 0w-40? 10w should have less vii given the density difference = more shear stability.

I do. In fact I think that's a ridiculous conclusion, honestly.

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#1723613 - 12/29/09 02:34 PM Re: Mobil 1 0w40 VOA [Re: BobFout]
21Rouge Offline


Registered: 06/04/05
Posts: 1935
Loc: Vinegar Hill
Originally Posted By: BobFout
Originally Posted By: CATERHAM
The Blackstone 100C vis of 13.36 cSt is quite a bit off the M1 PDS spec' of 14.0 cSt


I saw that difference too, I'm wondering if it really is that visco or if there is some margin of error in the analysis. /me thinks of sending a sample off to another lab for a second opinion.


This seems to happen far too often. I know VOA/UOA are relatively inexpensive via Blackstone but having to send out a sample to verify a sketchy result does add up. It seems the adage "you get what you pay for" does apply to oil analyses. smirk

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#1723824 - 12/29/09 05:26 PM Re: Mobil 1 0w40 VOA [Re: d00df00d]
ARCOgraphite Offline


Registered: 05/17/09
Posts: 8651
Loc: N.H, U.S.A.
Originally Posted By: d00df00d
Originally Posted By: ARCOgraphite
So no one disputes my thought that M1 HM 10w-30 may be a better oil then the 0w-40? 10w should have less vii given the density difference = more shear stability.

I do. In fact I think that's a ridiculous conclusion, honestly.
So, with the M1 10w-30 HM: GF2/3 ACEA A3/B3/4, much less vii to clog up the rings, a true full synthetic basestock, no shearing through the oci, more % EP agents, lower pour point(-65f), no excessive Ca required which is competitive with the antiwear adds, same HTHS for piston stability, slightly lower viscosity for less windage ... whats so ridiculous about that? its like the classic Amsoil ATM on your shelf at wallmart.


Edited by ARCOgraphite (12/29/09 05:31 PM)
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