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Amsoil AME 15W40, 22K, 04 Duramax 230K #4937227 11/27/18 09:36 PM
Joined: Aug 2011
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dhellman12 Offline OP
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Make/Model: Isuzu 6.6 Duramax LLY
Vehicle: 2004 Chevy 2500HD

Oil was changed at the time of this sample.

Code
OIL             AME 15W40	AME 15W40	AME 15W40	AME 15W40	AME 15W40	AME 15W40	
MILES IN USE    22,236		19,187		13,556		19,740		12,406		20,617		
MILES ON UNIT   229,762		207,526		201,895		188,339		181,364		168,598		
SAMPLE TAKEN    11/5/18		6/4/17		1/2/17		1/2/16		8/9/15		8/9/14		
MAKE UP OIL	2		0		.75		1.25		.75		2		

ALUMINUM	3		2		2		3		2		2		
CHROMIUM	1		1		0		1		0		0		
IRON		23		23		15		24		15		16		
COPPER		4		5		3		7		4		4		
LEAD		4		4		2		5		3		2		
TIN		1		1		1		0		3		0		
MOLYBDENUM	0		0		0		1		1		1		
NICKEL		1		1		0		1		0		1		
MANGANESE	0		0		0		0		0		0		
SILVER		0		0		0		0		0		0		
TITANIUM	0		0		0		0		0		0		
POTASSIUM	2		3		2		4		3		7		
BORON		2		1		1		7		2		7		
SILICON		7		8		6		8		6		7		
SODIUM		9		7		6		8		5		5		
CALCIUM		3662		3537		3416		4075		3744		3729		
MAGNESIUM	16		12		12		13		12		19		
PHOSPHORUS	1210		1143		1113		1193		1137		1145		
ZINC		1388		1315		1240		1535		1338		1384		
BARIUM		0		0		0		0		0		1		
     
SUS @ 210F	76.2		72.7		74.5		78.6		79.9		72.6		
Visc @ 100C	14.57		13.66		14.12		15.17		15.5		13.63		
Flashpoint	460		440		460		430		445		450		
Fuel %		<0.5		<0.5		<0.5		<0.5		<0.5		<0.5		
Antifreeze %	0.0		0.0		0.0		0.0		0.0		0.0		
Water %		0.0		0.0		0.0		0.0		0.0		0.0		
Insolubles %	0.2		0.3		0.2		0.3		0.3		0.3		
TBN		6.0		6.2				7.3		7.6		6.9		


Blackstone Comments:
This oil was in place longer than any other sample on the page, yet wear metals are at similar levels as before. In fact, they're almost identical to what showed up last time, so there's no reason to think your Duramax is having any mechanical issues. Instead, it's wearing well and it didn't mind the longer interval at all, so feel free to use this interval again. Or, if you want to go even longer, the TBN shows plenty of active additive left in the oil at 6.0, so feel free to try 24K miles or so next. The oil was fine (physically) and no contamination was found. Very nice!


05 Kawasaki BF750 - 284hrs
12 Jeep 3.8L - Amsoil ASL 5w30 74K
04 DMax 6.6L - Amsoil AME 15w40 238K
00 WS6 5.7L - Amsoil ASL 5w30 256K
Re: Amsoil AME 15W40, 22K, 04 Duramax 230K [Re: dhellman12] #4937234 11/27/18 09:45 PM
Joined: Apr 2007
Posts: 3,336
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dblshock Offline
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sweet, now that's a motor oil!


05 Lexus GX470 175k
640:1 TCW-3
M1 0W40 XG-3614
Toyo Open Country H/T II

06 4Runner SR5 155k
640:1 TCW-3
M1 0W40 XG-3614
Falken Wildpeak AT3W
Re: Amsoil AME 15W40, 22K, 04 Duramax 230K [Re: dhellman12] #4937239 11/27/18 09:49 PM
Joined: May 2010
Posts: 10,576
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spasm3 Offline
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TBN still 6.0!

I have a bottle of this i'm going to use in my generator.


13 elantra 78k 5w30 synpwr
03 chevy avalanche 83k synpwr 5w30
17 mazda cx-5 16400 miles m1 0w40
Re: Amsoil AME 15W40, 22K, 04 Duramax 230K [Re: dhellman12] #4937254 11/27/18 10:14 PM
Joined: Jul 2016
Posts: 1,950
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FlyNavyP3 Offline
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Man every time I see a Duramax UOA I'm always super impressed, cheap oil, high end oil, towing or not these engines always seem to deliver KILLER UOAs. The AMSOIL performed very well here, I really don't see any reason why 25k isn't doable in your application. Nice report, nice engine. Would love to see this engine on the opposite end of the spectrum with Super Tech or Traveler 15w40 to see how the numbers and cost compared to this high end oil.

Cheers.


Luke
P-3C and P-8A Maritime Weapons and Tactics Instructor, Instructor Tactical Coordinator and Mission Commander
Re: Amsoil AME 15W40, 22K, 04 Duramax 230K [Re: dhellman12] #4937271 11/27/18 10:33 PM
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CT8 Offline
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Amsoil AME 15W40, and the 10W=30/30 should be the flag ship of the Amsoil offerings. they have been around for ever and are excellent oils. TBN of 6 !

Re: Amsoil AME 15W40, 22K, 04 Duramax 230K [Re: FlyNavyP3] #4937280 11/27/18 10:51 PM
Joined: Dec 2016
Posts: 9,570
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Linctex Offline
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Originally Posted by FlyNavyP3
. Would love to see this engine on the opposite end of the spectrum with Super Tech or Traveler 15w40 to see how the numbers and cost compared to this high end oil.


I would bet the numbers don't change


"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."
Re: Amsoil AME 15W40, 22K, 04 Duramax 230K [Re: dhellman12] #4937376 11/28/18 04:53 AM
Joined: May 2007
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dnewton3 Offline
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You're averaging a bit over 1ppm/1k mi of Fe! The rest of the metals are so low they are just noise. Zero contamination to speak of. What's not to like?
Would expect nothing less from a Dmax!
Continue to extend the OCIs; clearly every reason to do so.

Filtration? What FF used? Any BP?

IIRC the early LLY engines used EGR, but very little of it, contrasted to later model LMMs and LMLs. That could be one reason the insolubles are low and the TBN is staying high. The oldest generation, the LB7, didn't have any EGR and had an open PCV system; talk about clean running!


Last edited by dnewton3; 11/28/18 04:57 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: Amsoil AME 15W40, 22K, 04 Duramax 230K [Re: dhellman12] #4937411 11/28/18 06:39 AM
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Diesel12 Offline
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I wouldnt have thought you would need 2 quarts of makeup running amsoil.whats the noack for the 15w-40?


1998 Dodge Neon-Rebuilt 2.4L-Schaeffer 10w-30
2014 Dodge Durango 3.6, 66K- Schaeffer 10w-30
2002 Ram 2500 Cummins 125K- Schaeffer 5w-40
2008 Dodge Avenger 232K Schaeffer 10w-30
Re: Amsoil AME 15W40, 22K, 04 Duramax 230K [Re: dhellman12] #4937526 11/28/18 09:04 AM
Joined: Mar 2004
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Donald Offline
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What filter and was it changed within the 22K OCI?


2015 Subaru Forester 2.5 engine/CVT
2015 Ford F250 w/Powerstroke
2016 Subaru Crosstrek CVT (wife's)
Re: Amsoil AME 15W40, 22K, 04 Duramax 230K [Re: dhellman12] #4937668 11/28/18 11:06 AM
Joined: Aug 2011
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dhellman12 Offline OP
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dnewton - This one is the 2004.5 early Duramax, so it does have the EGR still. I thought about removing that when I installed an AFE mouthpiece (turbo inlet, installed @124k odometer) years ago but couldn't find a local tuner I trusted who would be able to turn off the check engine light/codes. I'm just using a basic hypertech handheld for now. At this point the UOA's look pretty good so I'm wondering if I should just leave things alone at this point.

Diesel12 - Noack on the AME says 4.8%. I lose about a quart every 11-12K. I may have been closer to 1.75 ish and just rounded up.

Using the Amsoil EA filter. I've used both the AME with Amsoil EA filters in this one since 2011. Before that I ran Valvoline PBE for the first 3yrs of owning the truck. While dnewton has convinced me on conventional for some of the tractors and ag equipment, I'm getting such good results on this engine I'm hesitant to make any changes. Even at 230K miles, this is still my daily driver plus travel to the deer lease pulling anything from small trailer with ATV to car hauler with the wife's 4dr Jeep Rubicon.


05 Kawasaki BF750 - 284hrs
12 Jeep 3.8L - Amsoil ASL 5w30 74K
04 DMax 6.6L - Amsoil AME 15w40 238K
00 WS6 5.7L - Amsoil ASL 5w30 256K
Re: Amsoil AME 15W40, 22K, 04 Duramax 230K [Re: dhellman12] #4937948 11/28/18 03:11 PM
Joined: Aug 2008
Posts: 25,017
StevieC Offline
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Who would have thought you go this long on Amsoil with them having shady marketing practices and fake testing according to some members here. LOL

Excellent report, thanks for posting. thumbsup

Last edited by StevieC; 11/28/18 03:12 PM.

'18 Caravan - 45k KM - AMSOIL SS 0w20, Fram Ultra, TC-W3 500:1
'06 Santa Fe - 535k KM (Retired)

There is no such thing as "lifetime" fluids! mad
Re: Amsoil AME 15W40, 22K, 04 Duramax 230K [Re: StevieC] #4938325 11/28/18 10:22 PM
Joined: Jun 2009
Posts: 343
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Uregina09 Offline
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Don’t confuse the issue. I don’t recall anyone questioning whether Amsoil is a quality product. In general, their marketing and testing do leave a lot to be desired.

Originally Posted by StevieC
Who would have thought you go this long on Amsoil with them having shady marketing practices and fake testing according to some members here. LOL

Excellent report, thanks for posting. thumbsup


2018 Ford F150 with 2.7 Ecoboost: Coop Sonic Gold SL 0W30 and Motorcraft FL2062

2016 Toyota RAV4: Pennzoil Platinum 0W20 and Denso 150-3021

Re: Amsoil AME 15W40, 22K, 04 Duramax 230K [Re: Uregina09] #4938340 11/28/18 10:51 PM
Joined: Aug 2008
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StevieC Offline
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Originally Posted by Uregina09
Don’t confuse the issue. I don’t recall anyone questioning whether Amsoil is a quality product. In general, their marketing and testing do leave a lot to be desired.

Originally Posted by StevieC
Who would have thought you go this long on Amsoil with them having shady marketing practices and fake testing according to some members here. LOL

Excellent report, thanks for posting. thumbsup


Oh there are folks here claiming it's not a product to be trusted and that there isn't supposed UOA's here claiming it can last as long as the OP's run. wink


'18 Caravan - 45k KM - AMSOIL SS 0w20, Fram Ultra, TC-W3 500:1
'06 Santa Fe - 535k KM (Retired)

There is no such thing as "lifetime" fluids! mad
Re: Amsoil AME 15W40, 22K, 04 Duramax 230K [Re: dhellman12] #4938472 11/29/18 05:13 AM
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dnewton3 Offline
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Originally Posted by dhellman12
dnewton - This one is the 2004.5 early Duramax, so it does have the EGR still. I thought about removing that when I installed an AFE mouthpiece (turbo inlet, installed @124k odometer) years ago but couldn't find a local tuner I trusted who would be able to turn off the check engine light/codes. I'm just using a basic hypertech handheld for now. At this point the UOA's look pretty good so I'm wondering if I should just leave things alone at this point.

Diesel12 - Noack on the AME says 4.8%. I lose about a quart every 11-12K. I may have been closer to 1.75 ish and just rounded up.

Using the Amsoil EA filter. I've used both the AME with Amsoil EA filters in this one since 2011. Before that I ran Valvoline PBE for the first 3yrs of owning the truck. While dnewton has convinced me on conventional for some of the tractors and ag equipment, I'm getting such good results on this engine I'm hesitant to make any changes. Even at 230K miles, this is still my daily driver plus travel to the deer lease pulling anything from small trailer with ATV to car hauler with the wife's 4dr Jeep Rubicon.


The UOA results certainly show excellent wear rates. But again, that's typical of any Dmax. What your experiencing is that syn lubes (especially high quality PAOs like this example) are capable of OCIs much longer than conventional lubes. However, you really don't know how much "longer" because you're only viewing one end of the spectrum. Unless you were to run tests a dino lube, you'll not know what the baseline could be.

The only thing that is certain here is that you're not anywhere near the OCI limit for this combination. The ONLY thing I would change would be the OCI; extend it out a bit at a time with each successive UOA. I'd leave the tuning, EGR and intake alone; they all are inputs to the output. Since we agree the current output is very desirable, don't change those. Just extend the OCI out until wear indicates a negative uptick in trending. At this point, you have not come close to reaching that point.


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: Amsoil AME 15W40, 22K, 04 Duramax 230K [Re: dhellman12] #5012829 02/16/19 04:48 AM
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Shata Offline
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Hate to bump this thread, But im curious if you have done any more samples... Thats very impressive 22k miles at 23ppm iron. Is cost of amsoil worth it...thats debatable. But Highend oil shows well here. But like Dnewton said we really dont know how this engine would run on delvac at 20k miles it may be just really good wearing engine.

I think we can all Agree here maybe this engine is a unicorn in wear rates but 1ppm iron per 1k miles is most likely due to this oil and not just good engine, I personally have not seen dmax run numbers like that on dino.


16 Silverado 2500 LML 25k Miles
ST CK-4 15w-40
ST 75w-90 Diff.
ST Full Syn Dexron VI ATF
Fram Ultra XG9100, AC Delco Fuel
CAT Coolant filter, Fram Air, K&N Cabin
Filter Mags: Fuel, Allison, LML
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