About 80% highway miles, the last 2K miles were stop and go traffic, shorter trips, etc. Used a NAPA Gold oil filter, total time on oil and filter was ~8 months. The results:
Iron 10
Chromium 0
Lead 4
Copper 10
Tin 0
Aluminum 1
Nickel 0
Silver 0
Silicon 13
Boron 37
Sodium 0
Magnesium 19
Calcium 2984
Barium 0
Phosphorus 967
Zinc 1084
Moly 70
Titanium, Vanadium, Potassium 0
% Fuel cSt @ 100 10.33
Water % 0
Coolant None
TBN 4.0
The analysis recommendations (by Oil Analyzers) was that the oil was suitable for the OCI and, of course, to resample at the next change.
Clark
Iron 10
Chromium 0
Lead 4
Copper 10
Tin 0
Aluminum 1
Nickel 0
Silver 0
Silicon 13
Boron 37
Sodium 0
Magnesium 19
Calcium 2984
Barium 0
Phosphorus 967
Zinc 1084
Moly 70
Titanium, Vanadium, Potassium 0
% Fuel cSt @ 100 10.33
Water % 0
Coolant None
TBN 4.0
The analysis recommendations (by Oil Analyzers) was that the oil was suitable for the OCI and, of course, to resample at the next change.
Clark