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#4704984 - 03/24/18 08:19 AM Comments on Dexos 1 G2
Snagglefoot Offline


Registered: 12/31/17
Posts: 1301
Loc: Alberta
In the usual OCD Bitogger fashion I decided to make a spreadsheet of VOAs for synthetic oils that are in my stash or are readily avaiable with discounts in my area. I had seven oils displayed. They where all pretty similar but four of them seemed to have low concentrations of certain components. The components were Molybdenum, Boron and Magnesium and the oils had low levels in various combinations such as all three or maybe just one. The remaining oils did have significant amounts of these components plus the usual amounts of all the others. They also had a small amount of Titanium.

So, I thought why not have the full load. Who has the full load ? The Dexos 1 G 2 oils do. They have all the goodies. The full meal deal. The big enchalada. The super sized fries. All the toppings. Why not have it all?

banana
SF






Edited by Snagglefoot (03/24/18 08:43 AM)

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#4705066 - 03/24/18 09:45 AM Re: Comments on Dexos 1 G2 [Re: Snagglefoot]
BobsArmory Offline


Registered: 03/28/10
Posts: 1308
Loc: Michigan
Some people here on BITOG used to hammer GM and the DEXOS rating pretty bad but after the dust settled most everyone has come to the conclusion that DEXOS1 Gen2 is a worthwhile certification to look at even if you don't have a GM car.
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#4705080 - 03/24/18 10:01 AM Re: Comments on Dexos 1 G2 [Re: Snagglefoot]
FermeLaPorte Offline


Registered: 07/25/17
Posts: 425
Loc: Texas (south)
Thanks for the ad
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#4705099 - 03/24/18 10:16 AM Re: Comments on Dexos 1 G2 [Re: Snagglefoot]
kschachn Offline


Registered: 12/26/05
Posts: 9113
Loc: Upper Midwest
Originally Posted By: Snagglefoot
So, I thought why not have the full load. Who has the full load ? The Dexos 1 G 2 oils do. They have all the goodies. The full meal deal. The big enchalada. The super sized fries. All the toppings. Why not have it all?

So I should stop using Castrol 0W-40? It is inferior?
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#4705108 - 03/24/18 10:22 AM Re: Comments on Dexos 1 G2 [Re: Snagglefoot]
1JZ_E46 Offline


Registered: 04/04/16
Posts: 921
Loc: Oregon
I think we focus on additives too much here on BITOG. All additives are not created equal, and its nearly impossible to translate additive levels to wear performance. If it were me, I would spend my time in the UOA section to see which had consistently good reports.
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#4705121 - 03/24/18 10:35 AM Re: Comments on Dexos 1 G2 [Re: Snagglefoot]
dwendt44 Offline


Registered: 05/17/06
Posts: 3930
Loc: Central Wisconsin
The slam against Dexos wasn't the quality or
composition of the oil, (thought most synthetics surpassed the original specs
)it was the marketing hype and the profit center for GM.
The old standby motto: "Meets or exceeds all major manufacturers
specifications" suddenly isn't good enough anymore.

My 2
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#4705170 - 03/24/18 11:35 AM Re: Comments on Dexos 1 G2 [Re: kschachn]
bbhero Offline


Registered: 03/20/15
Posts: 4388
Loc: Virginia
You act like a really great defense attorney..

And at the end of the day you are right
MB 229.5, Porsche A40 are quite a bit tougher standards to be satisfied. Dexos gen 2 is a good specification. Tougher than API SN ILSAC GF-5 and not as tough as MB 229.5 and Porsche A40.
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#4705175 - 03/24/18 11:39 AM Re: Comments on Dexos 1 G2 [Re: BobsArmory]
Vuflanovsky Offline


Registered: 12/15/14
Posts: 1094
Loc: California
Originally Posted By: BobsArmory
Some people here on BITOG used to hammer GM and the DEXOS rating pretty bad but after the dust settled most everyone has come to the conclusion that DEXOS1 Gen2 is a worthwhile certification to look at even if you don't have a GM car.


I think there's also the greater likelihood on here that the conversation continually veers from the Dexos spec in and of itself to marketing and who does and doesn't want to pay the licensing fee, etc. It takes awhile for the empirical reality of the spec to settle back into the conversation. You'll still have those that only view it as an outcropping of "Government Motors" and others who look at it for what it is...

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#4705269 - 03/24/18 01:32 PM Re: Comments on Dexos 1 G2 [Re: Snagglefoot]
BrocLuno Offline


Registered: 09/06/15
Posts: 5226
Loc: Kalifornia Kollective
A40 is the list to look at for me. The others are somewhat relevant, but not as tough laugh
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#4705286 - 03/24/18 01:53 PM Re: Comments on Dexos 1 G2 [Re: 1JZ_E46]
Patman Offline



Registered: 05/27/02
Posts: 20268
Loc: Oakville, Ontario
Originally Posted By: 1JZ_E46
I think we focus on additives too much here on BITOG. All additives are not created equal, and its nearly impossible to translate additive levels to wear performance. If it were me, I would spend my time in the UOA section to see which had consistently good reports.


And even then, who knows for sure if low wear numbers in UOAs really do prove that one oil will make the engine last longer than another oil? What if one oil shows much lower wear numbers but doesn't keep the engine as clean as another oil for instance?
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#4705304 - 03/24/18 02:02 PM Re: Comments on Dexos 1 G2 [Re: BrocLuno]
1JZ_E46 Offline


Registered: 04/04/16
Posts: 921
Loc: Oregon
Originally Posted By: BrocLuno
A40 is the list to look at for me. The others are somewhat relevant, but not as tough laugh


Id take it a step further and say the list to look at is A40 + 229.5 + LL-01

Having 229.5 ensures NOACK is <10% smile
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#4705335 - 03/24/18 02:27 PM Re: Comments on Dexos 1 G2 [Re: Snagglefoot]
Eddie Offline


Registered: 12/07/03
Posts: 9384
Loc: Florida, Cape Coral
So where is your list Snagglefoot?
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#4705521 - 03/24/18 04:46 PM Re: Comments on Dexos 1 G2 [Re: Patman]
BobsArmory Offline


Registered: 03/28/10
Posts: 1308
Loc: Michigan
Originally Posted By: Patman
Originally Posted By: 1JZ_E46
I think we focus on additives too much here on BITOG. All additives are not created equal, and its nearly impossible to translate additive levels to wear performance. If it were me, I would spend my time in the UOA section to see which had consistently good reports.


And even then, who knows for sure if low wear numbers in UOAs really do prove that one oil will make the engine last longer than another oil? What if one oil shows much lower wear numbers but doesn't keep the engine as clean as another oil for instance?


Could you show us one oil that proves your point?
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#4705526 - 03/24/18 04:48 PM Re: Comments on Dexos 1 G2 [Re: 1JZ_E46]
BobsArmory Offline


Registered: 03/28/10
Posts: 1308
Loc: Michigan
Originally Posted By: 1JZ_E46
Originally Posted By: BrocLuno
A40 is the list to look at for me. The others are somewhat relevant, but not as tough laugh


Id take it a step further and say the list to look at is A40 + 229.5 + LL-01

Having 229.5 ensures NOACK is <10% smile


Does 229.5, A40 or LL-01 consider LSPI or other issues D1G2 addresses?
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#4705573 - 03/24/18 05:25 PM Re: Comments on Dexos 1 G2 [Re: BobsArmory]
Garak Offline


Registered: 12/05/09
Posts: 24051
Loc: Regina, Saskatchewan, Canada
I can't speak much about LSPI, but those specs should handle soot even more readily than dexos1, not to mention fuel dilution, which are concerns in direct injection engines.
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