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the really important things you want to look at when you look at the oil report are wear metals:
ALUMINUM
CHROMIUM
IRON
COPPER
LEAD
TIN (I think most engines don't have TIN)
these wear metals appear at the top in the blackstone report. You want to compare your current values with previous values to determine trending and compare with universal averages to get an idea of how well your particular motor is doing.
The second thing I look at is silicon, this is any RTV floating around or dirt that gets into the oil via any other means.
Also, you can look at sodium and potassium as an indicator of coolant seepage into the oil.
These are just some suggestions, so make sure you do some reading at the start of this thread to understand things.
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