Quote:
"When it's time to change the oil, you can take
the used oil and send it back to the company where they will microfilter it and
restore the additive balance. The end result is an oil meeting new oil specs
and ready for the same service all over again."
Who are you quoting from? A user or Miro's Website?
Filtered oil is one thing (not good) but re-refined oil is another (good).
The high Fe content could be a high level of anti-oxidants, or it could be Fe from used oil.
The low TBN would support the low calcium reading, so I wouldn't think the colloidals would disturb the elemental readings that much.
Not even a cheap, small engine oil in 10W30 would show this unusual additive package.
I believe Ankhamaat supposedly posted this UOA. Does anyone know the kind of engine and vehicle, mileage, etc?
Iron 105
Chromium 1
Nickel 1
Aluminum 35
Lead 1
Copper 1
Tin
35
Silver 1
Titanium 1
Silicon
45
Boron
125
Sodium
251
Potassium
76
Molybdenum
5478
Phosphorus
1275
Zinc
1001
Calcium
76
Barium
128
Magnesium
257
Antimony 1
Vanadium 176
The moly content is rather high for a VOA, but what is contradictory is the fact that one of the UOA's has over 5,000 ppm of moly and a high level of vanadium.
Vanadium is a steel hardener so if a UOA shows ~=200 ppm of Vanadium, I could only conclude that a lot of wear occurred in the cams and rings/cylinders.
I suggest we wait for the T&N sample before we draw any other conclusions.