I had this analysis done to shed light on the question of whether Toyota uses special oil for break-in. Miles - 1061, roughly 40% highway, filter is factory, lab is Analysts Inc. I will leave interpretation to others, except to note that viscosity checked out at 20, factory recommendation is 5W-30.
Miles on Oil 1061
Miles on Unit 1061
Makeup Oil No
Iron 36
Chromium Nickel Aluminum 12
Lead 4
Coppper 152
Tin Silver Titanium Silicon - 236
Boron - 9
Sodium - 6
Potassium - Molybdenum - 80
Phospherus - 1175
Zinc - 1519
Calcium - 1410
Barium - Magnesium - 15
Antimony - Vanadium - Fuel % - Water % - Viscosity CS - 8.9
Grade - 20
TBN - 6.21
[ June 20, 2003, 06:12 PM: Message edited by: TooManyWheels ]
Miles on Oil 1061
Miles on Unit 1061
Makeup Oil No
Iron 36
Chromium Nickel Aluminum 12
Lead 4
Coppper 152
Tin Silver Titanium Silicon - 236
Boron - 9
Sodium - 6
Potassium - Molybdenum - 80
Phospherus - 1175
Zinc - 1519
Calcium - 1410
Barium - Magnesium - 15
Antimony - Vanadium - Fuel % - Water % - Viscosity CS - 8.9
Grade - 20
TBN - 6.21
[ June 20, 2003, 06:12 PM: Message edited by: TooManyWheels ]