Here are the results from two consectutive UOAs from Scahaefer's for the Board's reading pleasure.
Questions and/or comments are welcome.
Vehicle: 2001 Trooper 3.5 liter gasoline
Oil: Mobil 1 0W-40
Oil Filter: Mobil 1 for both intervals
Air filter: original stock (Denso, made in Japan)
Conditions: mostly daily suburban driving in New Jersey (lots of 2-10 mile trips), with a 1500 mile vacation trip two per year.
First column are results using Mobil 1 5W-30, no makeup oil, sample dated 12/20/2002, 2010 miles on oil
Second column are results using Mobil 1 0W-40, one quart makeup oil, sample dated 8/4/03, 6018 miles on oil.
Total vehicle miles on 8/4/03 were 24,910. Not sure what oils were used prior to these intervals since car was purchased used last fall.
CU 2 6
FE 7 23
Chromium 2 4
AL 2 3
PB 1 6
Moly 90 105
Phos 1059 1235
ZN 1063 1172
Mag 25 29
CA 3186 3639
Anti freeze .0 .0
Fuel N N
H2O .0 .0
Silicon 4 7
Visc 9.25 12.32
sulfer 4 15
oxidation 11 0
nitration 13 26
Questions and/or comments are welcome.
Vehicle: 2001 Trooper 3.5 liter gasoline
Oil: Mobil 1 0W-40
Oil Filter: Mobil 1 for both intervals
Air filter: original stock (Denso, made in Japan)
Conditions: mostly daily suburban driving in New Jersey (lots of 2-10 mile trips), with a 1500 mile vacation trip two per year.
First column are results using Mobil 1 5W-30, no makeup oil, sample dated 12/20/2002, 2010 miles on oil
Second column are results using Mobil 1 0W-40, one quart makeup oil, sample dated 8/4/03, 6018 miles on oil.
Total vehicle miles on 8/4/03 were 24,910. Not sure what oils were used prior to these intervals since car was purchased used last fall.
CU 2 6
FE 7 23
Chromium 2 4
AL 2 3
PB 1 6
Moly 90 105
Phos 1059 1235
ZN 1063 1172
Mag 25 29
CA 3186 3639
Anti freeze .0 .0
Fuel N N
H2O .0 .0
Silicon 4 7
Visc 9.25 12.32
sulfer 4 15
oxidation 11 0
nitration 13 26