2002 F250 7.3L PSD with 103k miles, 12k miles on Valvoline 5W40 Extreme Blue. I've checked the coolant for exhaust gasses... None.
Iron 125
Copper 8
Tin 0
Lead 12
Chromium 4
Nickel 2
Aluminum 4
Titanium 0
Silver 0
Calcium 2992
Magnesium 15
Zinc 1821
Phosphorous 1642
Barium 6
Molybdenum 99
Antimony 28
Silicon 14
Sodium 11
Boron 93
Potassium 0
Vanadium 0
V40C 90.7
V100C 14.2
TAN 3.45
FLASH 415
OXID 19
NIT 10
KF Moisture 1169
TBN 7.4
FUEL .0470
SOOT 0.22
GLYCOL 1.02
Vndx 161
Sulfate By Product = 22.
Iron 125
Copper 8
Tin 0
Lead 12
Chromium 4
Nickel 2
Aluminum 4
Titanium 0
Silver 0
Calcium 2992
Magnesium 15
Zinc 1821
Phosphorous 1642
Barium 6
Molybdenum 99
Antimony 28
Silicon 14
Sodium 11
Boron 93
Potassium 0
Vanadium 0
V40C 90.7
V100C 14.2
TAN 3.45
FLASH 415
OXID 19
NIT 10
KF Moisture 1169
TBN 7.4
FUEL .0470
SOOT 0.22
GLYCOL 1.02
Vndx 161
Sulfate By Product = 22.