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2006 Duramax LBZ, 10k mi, Delvac1 CK-4 #4630123 01/10/18 09:52 AM
Joined: Nov 2007
Posts: 258
DNVDMAX Offline OP
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Posts: 258
I've been meaning to post this for a while. Ran my tow tune during last 5,000 miles. Towed occasionally, 5k to 10k lbs.

Code:
MI/HR on Oil			10,019			5,314			15,592			10,746			21,466			13,893			
MI/HR on Unit			153,066			148,361			143,047			127,455			106,671			85,205			
Sample Date			12/16/17		08/05/17		05/03/17		08/10/14		01/13/14		03/05/12		
Oil				Delvac1 ESP CK-4	Delvac1 ESP CK-4	M1 TDT			Rotella T5 		Rotella T6 5w-40	Rotella T6 5w-40			
				5W-40			5W-40			5W-40			10w-30
Make Up Oil Added		1 qts			0 qts			0 qts			0 qts			.5 qts (Filter)		0 qts			

ALUMINUM			3			3			4			4			6			6			
CHROMIUM			<1			<1			2			<1			<1			1			
IRON				38			23			47			49			24			34			
COPPER				2			1			4			3			4			14			
LEAD				2			<1			4			2			1			0		
TIN				2			3			3			2			2			3			
MOLYBDENUM			45			36			2			3			67			62			
NICKEL				<1			<1			4			<1			<1			0		
MANGANESE			Not Tested		Not Tested		Not Tested		Not Tested		Not Tested		1		
SILVER				<1			<1			<1			<1			<1			0			
TITANIUM			<1			<1			<1			<1			<1			0			
POTASSIUM			2			2			<1			<1			<5			7			
BORON				54			76			43			15			23			38			
SILICON				9			7			13			11			6			8			
SODIUM				11			1			8			5			10			4			
CALCIUM				1262			1212			1354			2517			860			970			
MAGNESIUM			961			828			990			50			1171			1258			
PHOSPHORUS			1148			981			1185			1091			1070			1098			
ZINC				1386			1207			1385			1254			1312			1309			
BARIUM				<1			<1			<1			<1			0			

										
SUS Viscosity @ 210F		Not Tested		Not Tested		Not Tested		Not Tested		Not Tested		77.3			
cSt Viscosity @ 100C		13.2			13.3			17.0			12.7			15.0			14.84			
Flashpoint in F		Not Tested		Not Tested		Not Tested		Not Tested		Not Tested		420			
Fuel %				<1			<1			<1			<1			<1			<0.5			
Antifreeze %			No			No			No			No			No			0.0			
Water %				<0.05			<0.05			<0.05			<0.05			0.07			0.0			
Soot %				0.4			0.6			1.6			0.5			0.3			0.1			
TBN				8.0			8.8			7.0			6.1			7.2			8.3



06 GMC 2500HD DMAX EFILIVE M1 TDT 5w-40 FRAM Ultra
91 GMC K1500 5.7L 5w-30 Quaker State HM Bosch D+
72 Nova 350 SBC 74mm AirWerks Turbo 15w-40 HDEO
Re: 2006 Duramax LBZ, 10k mi, Delvac1 CK-4 [Re: DNVDMAX] #4630521 01/10/18 02:40 PM
Joined: May 2012
Posts: 6,710
DoubleWasp Offline
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My uneducated observation is that your iron likes to show itself since you switched to T5. Your iron doubled in half the OCI.

Has there been any other changes, such as duty cycle, filter choice, or usage since then around that time?


07 Lincoln Navigator M1 0w-40/FU
68 Charger R/T / Supercharged 440 VR1/DBL7349
07 Ram 3500 4x4 / Cummins 6.7 /DBL7349
17 Maserati GranTurismo Cabrio
Re: 2006 Duramax LBZ, 10k mi, Delvac1 CK-4 [Re: DNVDMAX] #4630828 01/10/18 08:21 PM
Joined: Dec 2009
Posts: 28,060
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Garak Offline
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Looks good. I see the magnesium is still there, and you had plenty reserve TBN.


Plain, simple Garak.

2008 Infiniti G37 - Shell ROTELLA T6 Multi-Vehicle 5w-30, Wix 57356
1984 F-150 4.9L - Quaker State GB 10w-30, Wix 51515
Re: 2006 Duramax LBZ, 10k mi, Delvac1 CK-4 [Re: DoubleWasp] #4631110 01/11/18 08:18 AM
Joined: Nov 2007
Posts: 258
DNVDMAX Offline OP
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Posts: 258
No real change on the T5 run. Although she was running a tad warm on I-5 in Cali on that run pulling a cargo trailer from Georgia to Cali to Alaska. Mainly used Baldwin filters until recently I experimented with a Wix XP on the previous run and a Fram Ultra on this UOA.


06 GMC 2500HD DMAX EFILIVE M1 TDT 5w-40 FRAM Ultra
91 GMC K1500 5.7L 5w-30 Quaker State HM Bosch D+
72 Nova 350 SBC 74mm AirWerks Turbo 15w-40 HDEO
Re: 2006 Duramax LBZ, 10k mi, Delvac1 CK-4 [Re: DNVDMAX] #4632127 01/12/18 06:58 AM
Joined: May 2007
Posts: 8,078
dnewton3 Offline
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Not a bad run. Within normal wear expectations. That's the good news. But, it's a Dmax; "normal" is normal - that's what we expect. What we see here is totally within "normalcy".
I realize this is your UOA in your thread, but I offer this for consideration ...


https://bobistheoilguy.com/forums/ubbthreads.php/topics/4527295#Post4527295
As you can see, I am getting slightly lower wear than you, when Fe wear-rate is averaged.
In contrast, I run dino Rotella 10w-30. All while flogging my 2006 Dmax in heavy towing this last UOA. I assure you you're not running your rig any harder than I did in my last UOA; I was running at/near max EGTs for most all the trip, fighting headwinds pulling my RV for hours on end.


Are you getting "better" results using an expensive syn?
It depends on how you define "better" ....

- You certainly are not getting less wear, that's for sure.
(your last three Mobil syn oil UOAs have given you 3ppm/1k mi, 4ppm/1k mi, 4ppm/1k mi)
(my last four Rotella dino UOAs have given me 2ppm/1k mi, 2ppm/1k mi, 2ppm/1k mi, 3ppm/1k mi)
- You certainly don't need a syn for "cold" starts in most areas.
(these are HPCR injection, with intake grid heaters and glow plugs; starting generally isn't an issue if your batteries are in good shape. My Dmax has started as low as -17F, on dino 10w-30)


You're probably spending 3x more money than I am; what is 3x "better" in your UOAs?

The Dmax engines simply don't care what is in the crankcase, as long as it's an appropriate lube. Base stocks don't matter. Vis does not matter. Brand does not matter. Your UOAs, and others, and mine, just continue to convince me that the Dmax is one of the best wearing light-duty engines made. And they don't need anything special to return excellent results. Syns have not shown any statistical advantage of wear reduction in a Dmax. The lube system design of the Dmax is what controls wear rates; not the base stock or brand of oil.

Yes- this is a challenge to you. It's not meant to be a taunt, but a friendly challenge for you to think outside the synthetic box.









Last edited by dnewton3; 01/12/18 07:24 AM.

The act of preventative maintenance, in and of itself, is FAR MORE important than brand/grade/base choices among lubes and filters.
- under maintaining something is akin to abuse/neglect; that can kill equipment by shortening the lifespan
- over maintaining something has never been proven to be anything but a waste of time and money
Re: 2006 Duramax LBZ, 10k mi, Delvac1 CK-4 [Re: DNVDMAX] #4632806 01/12/18 07:37 PM
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A_Harman Offline
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You seem to have had a winner with the Rotella T6 when you went 21k miles and only had 24 ppm of Fe. That seems so good, maybe it was an error at the lab. I think you should do another OCI with RT6.

I'm jealous of your oil consumption. I wish my diesel was that good.


1985 Z51 Corvette track car
2002 Camaro Z28 LS1/6-speed
2001 Dodge Ram 2500 diesel
1972 GMC 1500 shortbed project truck
Re: 2006 Duramax LBZ, 10k mi, Delvac1 CK-4 [Re: DNVDMAX] #4633078 01/12/18 11:41 PM
Joined: Nov 2007
Posts: 258
DNVDMAX Offline OP
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DN3, valid statement on the lack of ROI with synthetics in my application. This is my wifes daily driver and she does jack rabbit starts in the morning, 13..0x sec 1/4 mile times on occasion, and does not let the turbo cool before shutting her down after a hard pull. I guess the synthetics just give me peace of mind so I sleep well at night. I dont think I would run synthetics if I wasnt continuously finding it on sale for $10/gal or less. I have 2.5 gals of T5 in 10w-30 and 15w-40. I will likely run one of these in my next OCI.


06 GMC 2500HD DMAX EFILIVE M1 TDT 5w-40 FRAM Ultra
91 GMC K1500 5.7L 5w-30 Quaker State HM Bosch D+
72 Nova 350 SBC 74mm AirWerks Turbo 15w-40 HDEO
Re: 2006 Duramax LBZ, 10k mi, Delvac1 CK-4 [Re: DNVDMAX] #4640567 01/20/18 01:01 AM
Joined: Jun 2003
Posts: 2,881
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userfriendly Offline
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Can someone prove that the metals found in used oil are from engine wear?

Re: 2006 Duramax LBZ, 10k mi, Delvac1 CK-4 [Re: DNVDMAX] #4640821 01/20/18 11:19 AM
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JohnnyJohnson Offline
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userfriendly the best laugh I've had all week with my morning coffee!


2004 Corolla 134866
Out: EDGE EP 5W-30 Bosch 3311 7156 Miles
In: Havoline Pro DS 10w-30 Purolator PureOne 3-14-19 129693
2006 Duramax 76356
Out: T6 5W-40 M1-303
In: T6 5W-40 XG9100 73705 4-22-18
Re: 2006 Duramax LBZ, 10k mi, Delvac1 CK-4 [Re: DNVDMAX] #4691034 03/11/18 01:07 AM
Joined: Jun 2003
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userfriendly Offline
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Happy daylight saving time!

Re: 2006 Duramax LBZ, 10k mi, Delvac1 CK-4 [Re: DNVDMAX] #4691036 03/11/18 01:14 AM
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userfriendly Offline
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Changing the clock make the days longer.

Re: 2006 Duramax LBZ, 10k mi, Delvac1 CK-4 [Re: DNVDMAX] #4966690 01/01/19 08:12 AM
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userfriendly Offline
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Bump!! happy new year 2019. I'm still waiting for an answer to my question.

Re: 2006 Duramax LBZ, 10k mi, Delvac1 CK-4 [Re: DNVDMAX] #4966931 01/01/19 01:34 PM
Joined: May 2012
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DoubleWasp Offline
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Better question: If not from engine wear, then what would the metal particulates in the engine oil come from?


07 Lincoln Navigator M1 0w-40/FU
68 Charger R/T / Supercharged 440 VR1/DBL7349
07 Ram 3500 4x4 / Cummins 6.7 /DBL7349
17 Maserati GranTurismo Cabrio
Re: 2006 Duramax LBZ, 10k mi, Delvac1 CK-4 [Re: DNVDMAX] #4967599 01/02/19 07:47 AM
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dnewton3 Offline
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VOAs certainly don't show high metal counts.
As DoubleWasp asks, if not from the engine, then where in the heck does one think they originate from ?????
Maybe Cu, Fe, Pb, Al, Cr and such are all floating about in the air we breathe, in nano-micron form, and they absorb through the engine block? grin2


Last edited by dnewton3; 01/02/19 07:50 AM.

The act of preventative maintenance, in and of itself, is FAR MORE important than brand/grade/base choices among lubes and filters.
- under maintaining something is akin to abuse/neglect; that can kill equipment by shortening the lifespan
- over maintaining something has never been proven to be anything but a waste of time and money
Re: 2006 Duramax LBZ, 10k mi, Delvac1 CK-4 [Re: DNVDMAX] #4969338 01/04/19 01:48 AM
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DoubleWasp Offline
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Maybe because I use a copper/iron/aluminum/lead oil cap and always cross-thread it when installing?


07 Lincoln Navigator M1 0w-40/FU
68 Charger R/T / Supercharged 440 VR1/DBL7349
07 Ram 3500 4x4 / Cummins 6.7 /DBL7349
17 Maserati GranTurismo Cabrio
Re: 2006 Duramax LBZ, 10k mi, Delvac1 CK-4 [Re: DoubleWasp] #4969601 01/04/19 11:35 AM
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claluja Offline
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Originally Posted by DoubleWasp
Better question: If not from engine wear, then what would the metal particulates in the engine oil come from?


From the fuel is possible. Not specific for this uoa, but just in general.

https://www.bobistheoilguy.com/foru...-4l-gm-marine-application-high-manganese

Last edited by claluja; 01/04/19 12:04 PM.

2014 F250 6.7L PSD
2006 Sequoia 4.7L
2005 E500 5.0L
2018 Jeep Rubicon, Pentastar 3.6L
Re: 2006 Duramax LBZ, 10k mi, Delvac1 CK-4 [Re: DNVDMAX] #4969610 01/04/19 11:48 AM
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dnewton3 Offline
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Possible? Yes.
Probable? No.

This specific series of UOAs shows very low (typical of Dmax) Cu, Pb, Al. The Fe can track a bit with severity of use, but generally does not get altered much in the grand scheme.

I'm not sure what userfriendly was really getting at here ... shrug
Was he being generic?
Was he being facetious?
Was he being specific to this UOA?
Seems he like to bump and run.


The act of preventative maintenance, in and of itself, is FAR MORE important than brand/grade/base choices among lubes and filters.
- under maintaining something is akin to abuse/neglect; that can kill equipment by shortening the lifespan
- over maintaining something has never been proven to be anything but a waste of time and money
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