This is an '07 Chevrolet Silverado 2500HD LBZ Duramax. The truck had 175,000 miles on it at the time of this OCI/UOA (182k or so now), running Shell Rotella T6 5W-40 since about 45,000 and using a Fram PH9100 filter (no bypass or extra filtration). The engine operates daily on a +160 tuner, as it has since about 30k. I do very little towing, and when I do, it's rarely more than 3-4,000 lbs.
Wear Metals (most recent, last):
Cu 3, 3
Fe 58, 46
Cr 1, 1
Al 3, 3
Pb 2, 2
Sn 1, 0
Si 4, 5
Na 4, 6
K 4, 2
Mo 66, 58
Ca 959, 1398
Mg 1156, 996
Zn 1356, 1456
P 1106, 1216
Oil Condition/Particle Count (ctml):
St 37, 39
OXI 18,17
NIT 10, 10
SUL 22, 22
W N
A N
F N
V100 14.6, 14.7
I welcome any informed thoughts or analysis of this sample/history.
Wear Metals (most recent, last):
Cu 3, 3
Fe 58, 46
Cr 1, 1
Al 3, 3
Pb 2, 2
Sn 1, 0
Si 4, 5
Na 4, 6
K 4, 2
Mo 66, 58
Ca 959, 1398
Mg 1156, 996
Zn 1356, 1456
P 1106, 1216
Oil Condition/Particle Count (ctml):
St 37, 39
OXI 18,17
NIT 10, 10
SUL 22, 22
W N
A N
F N
V100 14.6, 14.7
I welcome any informed thoughts or analysis of this sample/history.