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#2165603 - 02/08/11 09:16 PM 2007 F-350 6.0L with CO-OP DMO SL 0W-40 17,800 kms
bsigg Offline


Registered: 02/08/11
Posts: 18
Loc: Swan River, MB
I don't know much about this, but looks pretty decent.

I notice that Zinc and Phos are really high.

It did shear down to a 30 weight (which is normal for this engine.)

I did switch this oil out with 0W-30 ESSO XD-3, which makes this engine run better and won't shear down as bad.

The following results were obtained using John Deere Oilscan (Edmonton Lab).

Hours on Oil: 269 hrs.
Mileage on Oil: 17,843 kms (11,089 miles)
Metals (ppm)
Iron (Fe) 32
Chromium (Cr) 1
Lead (Pb) 5
Copper (Cu) 5
Tin (Sn) <1
Aluminium (Al) 6
Nickel (Ni) <1
Silver (Ag) <1
Titanium (Ti) <1
Vanadium (V) <1
Contaminants (ppm)
Silicon (Si) 16
Sodium (Na) 3
Potassium (K) 12
Water (%) <0.05
Coolant No
Fuel (%) 2
Soot (%) 0.1
Additives (ppm)
Magnesium (Mg) 280
Calcium (Ca) 2680
Barium (Ba) <1
Phosphorus (P) 1624
Zinc (Zn) 1942
Molybdenum (Mo) 2
Boron (B) 246

Physical Tests
Viscosity (cSt 100C) 12.2
Physical / Chemical
Base Number (mgKOH/g) 9.2

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#2165639 - 02/08/11 09:59 PM Re: 2007 F-350 6.0L with CO-OP DMO SL 0W-40 17,800 kms [Re: bsigg]
m37charlie Offline


Registered: 06/08/09
Posts: 1345
Loc: Alaska
I think your "shearing" is primarily fuel dilution.
If it wasn't for that, the rate of TBN retention would allow a very long run, maybe 60-80000km.
I hold this oil in high esteem.

Charlie
_________________________
05 Unimog U500/Unicat camper/Delvac 1 SHC ACEA E4/E5
09 BMW X5 35d/Delvac1 LE 5W30
88 Toyota OJ50LV OM314 motor D1 SHC
52 Dodge M37/Hercules diesel


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#2165792 - 02/09/11 05:02 AM Re: 2007 F-350 6.0L with CO-OP DMO SL 0W-40 17,800 kms [Re: bsigg]
dnewton3 Offline



Registered: 05/14/07
Posts: 6982
Loc: Indianapolis, IN
Yes, I agree, looks very good.

I suspect the shearing is a combination of fuel and the HEUI; how much each one contributed would be hard to distinguish. I also susepct you won't see as much shearing with the 30 grade you put in. The HEUI PSD simply seems to prefer the ligher grades, and if you don't feed it one, it will make one for you.

Further, I don't think people should get too excited about shearing; typically it does not manifest itself in wear in a PSD, so what's the real concern? The ONLY reason to fear shearing is if it results in some type of degraded wear protection performance. Generally, that's not happening in the PSD UOAs we've seen here. (I would panic if I saw a 40 grade drop to a 15 grade, but from a 40 to a 30 still stays within the acceptable range for the engine, and the wear metals tell us all is fine).

That load you used performed very well; great oil. I suspect you'll see similar wear protection from the current load as well.



Edited by dnewton3 (02/09/11 05:02 AM)
_________________________
Conventionals vs. Synthetics isn't about which is "better"; it's about which lasts longer, while assuring safe operation, in relation to cost. Any product can be over or under utilized. The same applies to filters.
Make an informed decision; first consider your operating conditions, next determine your maintenance plan, and then pick your lube and filter. Don't do it the other way around ...

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