2010 Tahoe in police service. 5.3L with 111,872 mi on unit.
Napa Gold air and oil filters.
1 qt make up oil added.
Schaeffer's Supreme 7000 5W-30 SN.
Analysis by Polaris Labs.
Fe--- 9
Cr--- 0
Ni--- 0
Al--- 2
Cu--- 16
Pb--- 0
Si--- 6
Na--- 364
K---- 2
Mo--- 327
Sb--- 306
Mg--- 14
Ca--- 1602
P---- 619
Z---- 773
Fuel, % by GC = 1.0
Visc @ 100C = 9.6
TBN= 2.42
Ox = 14
Nit= 10
I couldn't complain about much here!
Thanks,
REDDOG
Napa Gold air and oil filters.
1 qt make up oil added.
Schaeffer's Supreme 7000 5W-30 SN.
Analysis by Polaris Labs.
Fe--- 9
Cr--- 0
Ni--- 0
Al--- 2
Cu--- 16
Pb--- 0
Si--- 6
Na--- 364
K---- 2
Mo--- 327
Sb--- 306
Mg--- 14
Ca--- 1602
P---- 619
Z---- 773
Fuel, % by GC = 1.0
Visc @ 100C = 9.6
TBN= 2.42
Ox = 14
Nit= 10
I couldn't complain about much here!
Thanks,
REDDOG