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#2053805 - 10/21/10 03:43 PM 0W-20 RLI, 2,500mi. Maybach 57s AMG
AEHaas Offline


Registered: 01/09/05
Posts: 1335
Loc: Sarasota, Florida
2007 Maybach 57s AMG delivered 6/2007 with 125 miles on the odometer. The car comes with a twin turbo 6.0 liter V12 (my old “regular” Maybach 57 had a 5.5 liter V12). It has 612 BHP and 738 ft lbs torque. Driving: spirited around town, some highway driving, maybe 10 percent.

The regular Maybach 57 did spec. several 30 but mostly 40 grade oils. This engine only specs. all 40 grade oils. Note that the smaller engine was rev limited to 150 MPH whereas the AMG engine allows for 175 MPH. This is a big difference in oil heating in my book. Since I will have no opportunity to go over 100 MPH there are no reasons to go with the 40 grade oil.

Oct/2010 Update:
In May of this year we had around 15,000 miles on the car and it was a year since the previous oil change. The tires were getting changed (again) for a forth set and I went ahead and changed the oil. There was no UOA on that one. We then went on a road trip of around 1,200 miles. The other 1,300 miles was strictly around town since then and you can see the engine did not get hot enough to burn off any fuel. The car has 17,500 miles on it and the oil has 2,500. I took a sample but did not change the oil this time around:

___________5250_____2500__Miles on the oil
___________12250___17500__Miles on the car
................................................................................................................
Iron__________38____18
Chromium _____1____0
Nickel _________0____0
Aluminum _____11____4
Lead __________2____0
Copper ________9____7
Tin ___________0____0
Silver _________0____0
Titanium ______0____0
Silicon ________5____2
Boron ________10____10
Sodium _______13____11
Potassium _____0____0
Molybdenum __ 95____1
Phosphorus ___853____702
Zinc ________1056____1121
Calcium ____ 1923____2198
Barium ________0____0
Magnesium ____18____11
Antimony _____131___113
Vanadium ______0____0
Fuel %Vol _____1.16___1.94
Flash Pt_______355____245
Abs Oxid ______161____126
Abs Nitr _______14____11
Wtr %vol _____731KF__884
Vis CS 100C ___9.3____7.8
Vis CS 40C_____44____38
Vic index______202____180
SAE Grade _low 30/high 20__20
Gly test _____neg____0
TBN ________2.2____4.9
TAN________3.1____0.93
Soot_________0_____0
Sulfate By Product_115__143


10-21-10 Comments from Terry Dyson of Dyson Analysis:
No worries, the oil can certainly last a full 5,000 miles but he recommended a change just because of the high fuel content. The flash point was low. But wear is sub normal as the engine continues to break-in. Note that it has not blown up with a viscosity of only 7.8 at 100C.

This 20 grade oil is working well with this engine despite me lighting up the tires on a regular basis.

aehaas
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#2053848 - 10/21/10 04:33 PM Re: 0W-20 RLI, 2,500mi. Maybach 57s AMG [Re: AEHaas]
CATERHAM Offline


Registered: 11/18/05
Posts: 10139
Loc: Burlington, Ontario, Canada
Looks good.

You said, "it has not blown up with a viscosity of only 7.8 at 100C."

This is a misleading statement since kinematic viscosity does not correlate well with the operational viscosity in an engine. What you fail to emphasis is that your running a bio-ester based lubricant with a HTHS vis >2.9cP which really is more a kin to a light 30wt oil. This oil is 10 to 15% more viscose than your typical 20wt oil that has a HTHS vis of only 2.6cP.
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94 Caterham 7, FUCHS 0W-20

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#2053850 - 10/21/10 04:37 PM Re: 0W-20 RLI, 2,500mi. Maybach 57s AMG [Re: AEHaas]
2oldtommy Offline


Registered: 10/29/06
Posts: 872
Loc: Ohio
Dr. Haas, With all that Zn in it, it looks like something other than an SM oil. Tell us what brand. Or, is this Terry's "Black Magic" formula?--Old tommy

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#2053853 - 10/21/10 04:40 PM Re: 0W-20 RLI, 2,500mi. Maybach 57s AMG [Re: 2oldtommy]
d00df00d Offline


Registered: 10/20/05
Posts: 11124
Loc: PA
It's RLI BioSyn 0w-20, as the thread title says. It's made to meet several industry specs but carries no actual approvals.
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#2053857 - 10/21/10 04:44 PM Re: 0W-20 RLI, 2,500mi. Maybach 57s AMG [Re: CATERHAM]
finalyzd Offline


Registered: 11/24/09
Posts: 518
Loc: fairfield,CA
Originally Posted By: CATERHAM
Looks good.

You said, "it has not blown up with a viscosity of only 7.8 at 100C."

This is a misleading statement since kinematic viscosity does not correlate well with the operational viscosity in an engine. What you fail to emphasis is that your running a bio-ester based lubricant with a HTHS vis >2.9cP which really is more a kin to a light 30wt oil. This oil is 10 to 15% more viscose than your typical 20wt oil that has a HTHS vis of only 2.6cP.


So this oil is near a 0w30? Even if it is he's still running something which the manufacture does not recommend. And the oil is working well, needs more highway driving tho
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#2054024 - 10/21/10 08:44 PM Re: 0W-20 RLI, 2,500mi. Maybach 57s AMG [Re: AEHaas]
dave123 Offline


Registered: 01/13/09
Posts: 2263
Loc: wi
Set of tires every other oil change nice.

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#2054268 - 10/22/10 06:17 AM Re: 0W-20 RLI, 2,500mi. Maybach 57s AMG [Re: AEHaas]
AEHaas Offline


Registered: 01/09/05
Posts: 1335
Loc: Sarasota, Florida
I have reviewed the specs of other tires that would work and have higher tread wear ratings. They ALL are heavier, several pounds per tire at least. I am not willing to give up the lower unsprung weight. Automotive engineers spend a lot of time trying to minimize the unsprung weights.

aehaas


Edited by AEHaas (10/22/10 06:19 AM)
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Sarasota Home Inspections.

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#2054274 - 10/22/10 06:26 AM Re: 0W-20 RLI, 2,500mi. Maybach 57s AMG [Re: AEHaas]
SteveSRT8 Offline


Registered: 10/10/08
Posts: 18863
Loc: Sunny Florida
Absolutely agreed. The worst place for excessive/additional weight is at the tire and wheel.

I'm sure the Benz boys sweated the selection, odds are it's a good stock tire.
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#2054323 - 10/22/10 07:54 AM Re: 0W-20 RLI, 2,500mi. Maybach 57s AMG [Re: AEHaas]
AEHaas Offline


Registered: 01/09/05
Posts: 1335
Loc: Sarasota, Florida
My tires are not kept in stock, it took 10 days to get them:

Size: 275/45ZR20
Sidewall Style: Blackwall
Serv. Desc: 110Y
Load Range: XL
UTQG: 220 AA A275/45ZR20
110Y XL 220 AA A 2337 lbs.
50 psi
9/32"

29lbs.

8.5-10.5"

9"

10.7"

29.8"


I did get a good price as they take good care of me over at the MB dealership.

aehaas
_________________________
Machine Guns.
Sarasota Home Inspections.

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#2054325 - 10/22/10 07:54 AM Re: 0W-20 RLI, 2,500mi. Maybach 57s AMG [Re: AEHaas]
SL8R Offline


Registered: 09/24/08
Posts: 94
Loc: Ottawa, Ontario
I highly doubt you would notice any difference in "spirited driving around town" with a few extra pounds of unsprung weight with 600+ HP and 700+ ft-lbs on tap and the monster brakes that car has, particularly in light of the fact that the car weighs over 6000 lbs.


Edited by SL8R (10/22/10 07:57 AM)

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#2054416 - 10/22/10 10:09 AM Re: 0W-20 RLI, 2,500mi. Maybach 57s AMG [Re: AEHaas]
Ayrton Offline


Registered: 09/28/10
Posts: 669
Loc: Washington State, U.S.
Very exciting car.

This is the recommend viscosity?

Keep enjoying it!

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#2054490 - 10/22/10 11:53 AM Re: 0W-20 RLI, 2,500mi. Maybach 57s AMG [Re: SL8R]
BMWTurboDzl Offline


Registered: 04/15/10
Posts: 1823
Loc: Atlanta,GA
Originally Posted By: SL8R
I highly doubt you would notice any difference in "spirited driving around town" with a few extra pounds of unsprung weight with 600+ HP and 700+ ft-lbs on tap and the monster brakes that car has, particularly in light of the fact that the car weighs over 6000 lbs.


+1 6,000 lbs. OMG.
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#2074658 - 11/12/10 07:13 AM Re: 0W-20 RLI, 2,500mi. Maybach 57s AMG [Re: AEHaas]
G-MAN Offline


Registered: 11/15/02
Posts: 8936
Loc: SC
Originally Posted By: AEHaas
My tires are not kept in stock, it took 10 days to get them:



What brand and model of tire?
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2014 Mercedes CLA 250 (Mobil 1 0w40)
2005 Corvette (RLI 5w30 HD Low Ash)

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#2074770 - 11/12/10 09:52 AM Re: 0W-20 RLI, 2,500mi. Maybach 57s AMG [Re: AEHaas]
AEHaas Offline


Registered: 01/09/05
Posts: 1335
Loc: Sarasota, Florida
_________________________
Machine Guns.
Sarasota Home Inspections.

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#2075505 - 11/13/10 07:52 AM Re: 0W-20 RLI, 2,500mi. Maybach 57s AMG [Re: AEHaas]
G-MAN Offline


Registered: 11/15/02
Posts: 8936
Loc: SC
Originally Posted By: AEHaas

I did get a good price as they take good care of me over at the MB dealership.

aehaas


Did your dealer beat or match the Tire Rack price? I've found around here when I've been comparison shopping the local tire shops can't beat Tire Rack's prices even considering the cost of shipping.
_________________________
2014 Mercedes CLA 250 (Mobil 1 0w40)
2005 Corvette (RLI 5w30 HD Low Ash)

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