Rotella 15W40 at 8200 miles and for comparison Amsoil at 10100 miles.
... ... ... . Rotella..... Amsoil
SOOT..... <1. 0... ..... <1. 0
OXD... ... <1. 0... ..... 10. 0
NOX... ... <1. 0... ..... 4. 3
TBN... ... 12. 2... ..... 12. 9
Iron..... 19... ... ... . 29
Cr... ... . 1... ... ..... 1
lead..... 2... ... ..... 6
copper... 0... ... ..... 2
tin... ... 1... ... ..... 3
Aluminun. . 8... ... ..... 10
nickel... 0... ... ..... 1
Silicon. . 3... ... ..... 5
Boron... . 37... ... ... . 50
sodium... 2... ... ..... 3
Magnesium. . 80... ... ... 27
Calcium. . 2905... ..... 4390
phosphorus. 1122... ... 1274
zinc... ... . 1389... ... 1388
Molybdenum. . 20... ..... 0
Amsoil was with the stock air filter and Rotella was with a NAPA 2790 BHAF
Bottom line for both oils was, they are OK for continued use.
... ... ... . Rotella..... Amsoil
SOOT..... <1. 0... ..... <1. 0
OXD... ... <1. 0... ..... 10. 0
NOX... ... <1. 0... ..... 4. 3
TBN... ... 12. 2... ..... 12. 9
Iron..... 19... ... ... . 29
Cr... ... . 1... ... ..... 1
lead..... 2... ... ..... 6
copper... 0... ... ..... 2
tin... ... 1... ... ..... 3
Aluminun. . 8... ... ..... 10
nickel... 0... ... ..... 1
Silicon. . 3... ... ..... 5
Boron... . 37... ... ... . 50
sodium... 2... ... ..... 3
Magnesium. . 80... ... ... 27
Calcium. . 2905... ..... 4390
phosphorus. 1122... ... 1274
zinc... ... . 1389... ... 1388
Molybdenum. . 20... ..... 0
Amsoil was with the stock air filter and Rotella was with a NAPA 2790 BHAF
Bottom line for both oils was, they are OK for continued use.
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