UOA CdnTire MotorMaster 15W40 in 2006 Duramax

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Oct 22, 2009
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Alberta, Canada
It's my first UOA post. Nothing seems to be out of the ordinary here. Very low mileage on CdnTire Dino oil. Any observations?

ALUMINUM - 2
CHROMIUM - 0
IRON - 9
COPPER - 2
LEAD - 1
TIN - 2
MOLYBDENUM - 2
ANTIMONY - 1
NICKEL - 1
SILVER - 1
TITANIUM - 0
POTASSIUM - 1
BORON - 1
SILICON - 11
SODIUM - 0
CALCIUM - 3117
MAGNESIUM - 12
PHOSPHORUS - 1274
ZINC - 1378
BARIUM - 0

cSt Viscosity @ 40°C - 108
cSt Viscosity @ 100°C - 14.65
Fuel % - 0.0
Antifreeze % - 0
Water % - 0
Soot % - 0.16
TBN (mgKOH/g) - 10.5
 
Looks fine.

The Fe seems a bit high for only 2k miles. The "universal average" of Fe is around 12ppm for 6k miles, IIRC via Blackstone. It is not uncommon for wear to occur soon after the OCI, and then settle down. There is an older SAE paper from Ford/Connoco that established wear will spike after an OCI, and then back off a bit, only to rise again toward the end of the useful oil life. This in mind, I would not fret over the Fe. It's much more a topic of conversation than anything to worry about.

What oil analysis service did you use?

Overall, I'd say well suited for continued use at this point.
 
Last edited:
The analysis service is a company called Fluid Life. They're based in Edmonton, Alberta, Canada.
wwww.fluidlife.com
 
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