Most recent report on my 1999 7.3L using Delo 400 5W40 CI-4 Synthetic and Oilguard Bypass. Run was 7608km mostly towing my 10k 5th Wheel.
ALUMINUM - 2
CHROMIUM - 0
IRON - 15
COPPER - 5
LEAD - 6
TIN - 0
MOLYBDENUM - 7
MANGANESE - 2
NICKEL - 0
SILVER - 0
TITANIUM - 0
POTASSIUM - 7
BORON - 13...