I replaced this August 13 oil again with Q Horsepower and another PF48. So all key components are consistent. This OCI will now go for 5k miles or 6 months...well into a Canadian winter.
Blackstone Labs Test results:
May 17/09 (June 5/09) August 13/09
Oil.............FF (QH 5W-30) QH 5W-30
Filter..........OEM PF48 (new PF48) new PF48
Total Miles.....561 miles (1532 miles) 4873 miles
Miles on oil....561 miles (971 miles) 3341 miles
Make up oil.....0 (0) 0
Aluminum.......8 (7) 8
Chromium.......1 (1) 1
Iron...........26 (14) 33
Copper.........42 (23) 24
Lead............1 (1) 1
Tin.............0 (2) 1
Moly............329 (92) 56
Nickel..........0 (0) 0
Manganese.......9 (3) 4
Silver..........0 (0) 0
Titanium........0 (0) 0
Potassium.......8 (3) 3
Boron...........53 (10) 4
Silicon.........101 (31) 18
Sodium..........8 (2) 2
Calcium.........1777 (2216) 2290
Magnesium.......8 (9) 11
Phosphorus......689 (647) 663
Zinc............903 (830) 923
Barium..........1 (0) 0
Flashpoint F....390 (365) 395
Fuel............ Antifreeze.......0.0 (0.0) (0.0)
Water............0.0 (0.0) (0.0)
Insoluables......0.3 (0.3) (0.3)
SUS [email protected] (56.5) (56.7)
cST [email protected] (9.2) (9.28)
Blackstone Labs Test results:
May 17/09 (June 5/09) August 13/09
Oil.............FF (QH 5W-30) QH 5W-30
Filter..........OEM PF48 (new PF48) new PF48
Total Miles.....561 miles (1532 miles) 4873 miles
Miles on oil....561 miles (971 miles) 3341 miles
Make up oil.....0 (0) 0
Aluminum.......8 (7) 8
Chromium.......1 (1) 1
Iron...........26 (14) 33
Copper.........42 (23) 24
Lead............1 (1) 1
Tin.............0 (2) 1
Moly............329 (92) 56
Nickel..........0 (0) 0
Manganese.......9 (3) 4
Silver..........0 (0) 0
Titanium........0 (0) 0
Potassium.......8 (3) 3
Boron...........53 (10) 4
Silicon.........101 (31) 18
Sodium..........8 (2) 2
Calcium.........1777 (2216) 2290
Magnesium.......8 (9) 11
Phosphorus......689 (647) 663
Zinc............903 (830) 923
Barium..........1 (0) 0
Flashpoint F....390 (365) 395
Fuel............ Antifreeze.......0.0 (0.0) (0.0)
Water............0.0 (0.0) (0.0)
Insoluables......0.3 (0.3) (0.3)
SUS [email protected] (56.5) (56.7)
cST [email protected] (9.2) (9.28)