MOBIL DELVAC 1 SYNTHETIC 5W-40
MILES ON OIL- 10093
MILES ON ENGINE- 11699
ALUMINUM-----3
CHROMIUM-----0
COPPER------->500
IRON---------9
LEAD---------12
TIN----------7
SILICON------52
POTASSIUM----3
SODIUM-------9
OXIDATION---- VISCOSITY----12.6
GLYCOL-------ND
FUEL---------3
TBN----------7.1
NITRATION----16.1
SOOT---------
I HAVE AN OILGUARD BYPASS FILTER INSTALLED AT THE TIME THIS OIL WAS ADDED.THIS IS THE FIRST CHANGE AT 1606 MILES. HIGH COPPER IN THESE ENGINES HAS BEEN POSTED BEFORE. I HAVEN'T ASKED THEM YET BUT I ASSUMME THE OIL IS STILL GOOD FOR USE.
SILICON SEEMS HIGH TO ME. SHOULD I CHECK THE AIR FILTER? I'VE NEVER LOOKED AT IT. ITS A 2003 GMC CREW CAB.
ANY COMMENTS ON WHEN TO CHANGE OR RETEST? BY THE WAY THIS TRUCK HAS TO LAST THE REST OF MY LIFE, OUCH THOSE PAYMENTS HURT.
MILES ON OIL- 10093
MILES ON ENGINE- 11699
ALUMINUM-----3
CHROMIUM-----0
COPPER------->500
IRON---------9
LEAD---------12
TIN----------7
SILICON------52
POTASSIUM----3
SODIUM-------9
OXIDATION---- VISCOSITY----12.6
GLYCOL-------ND
FUEL---------3
TBN----------7.1
NITRATION----16.1
SOOT---------
I HAVE AN OILGUARD BYPASS FILTER INSTALLED AT THE TIME THIS OIL WAS ADDED.THIS IS THE FIRST CHANGE AT 1606 MILES. HIGH COPPER IN THESE ENGINES HAS BEEN POSTED BEFORE. I HAVEN'T ASKED THEM YET BUT I ASSUMME THE OIL IS STILL GOOD FOR USE.
SILICON SEEMS HIGH TO ME. SHOULD I CHECK THE AIR FILTER? I'VE NEVER LOOKED AT IT. ITS A 2003 GMC CREW CAB.
ANY COMMENTS ON WHEN TO CHANGE OR RETEST? BY THE WAY THIS TRUCK HAS TO LAST THE REST OF MY LIFE, OUCH THOSE PAYMENTS HURT.