2.3L 155HP engine, Amsoil oil filter, stock paper air filter, 4.5qt oil sump capacity. LC went in at the beginning of the last OCI, 6 oz, then 6oz @ 1000mi, then 2 oz @2000 mi. I use FP in every tank @ 1oz/5Gal.
60/40% highway/city, stock block heating in the morning to 35C coolant temperature, so only one "cold" start a day.
I'm tied to 3k miles OCI by my warranty requirements. But anyway I decided to run UOA for two consecutive OCIs for GC with and without LC.
From what I've learned at BITOG I can see no evidence that LC provided any direct and measurable benefit that could be shown in UOA. I do realize that UOA is not supposed to deliver sufficient data for each and every comparison test, but I was hoping on some indirect indications...
Although the numbers are pretty low, the sample with LC shows relatively higher metals. Could be the lab variations, for sure.
Sodium might come from our salty roads.
Oxidation, sulfation & nitration seem to have some different base reference point at this lab (Wearcheck Canada in Mississauga).
60/40% highway/city, stock block heating in the morning to 35C coolant temperature, so only one "cold" start a day.
I'm tied to 3k miles OCI by my warranty requirements. But anyway I decided to run UOA for two consecutive OCIs for GC with and without LC.
From what I've learned at BITOG I can see no evidence that LC provided any direct and measurable benefit that could be shown in UOA. I do realize that UOA is not supposed to deliver sufficient data for each and every comparison test, but I was hoping on some indirect indications...
Although the numbers are pretty low, the sample with LC shows relatively higher metals. Could be the lab variations, for sure.
Sodium might come from our salty roads.
Oxidation, sulfation & nitration seem to have some different base reference point at this lab (Wearcheck Canada in Mississauga).
code:
GC+LC GC
Unit Age 35000k 30200k
Time on Fluid 5000k 5000k
Time on Filter 5000k 5000k
Fluid Maint. Changed Changed
Filter Maint. Changed Changed
Iron (Fe) 3.2 3.4
Chromium (Cr) 0.2 0.1
Nickel (Ni) 0 0
Titanium (Ti) 0.1 0.1
Silver (Ag) 0.3 0.3
Aluminum (Al) 2.1 1.7
Lead (Pb) 1 0.1
Copper (Cu) 4.2 3.8
Tin (Sn) 0 0
Silicon (Si) 5.5 5.7
Sodium (Na) 1.8 0.6
Potassium (K) 0.6 0
Boron (B) 3.3 5.4
Barium (Ba) 0.2 0.2
Molybdenum (Mo)0.7 2.1
Magnesium (Mg) 119 117
Calcium (Ca) 2771 3010
Phosphorus (P) 733 771
Zinc (Zn) 874 891
Sulfur (S) 2846 2654
Manganese (Mn) 1.3 1.6
Vanadium (V) 0.1 0
Oxidation(PA) 50 53
Nitratrion(PA) 36 36
Sulfation(PA) 38 49
Kv@100°C 12.1 12.4
White Metal NONE NONE
Babbitt NONE NONE
Precipitate NONE NONE
Silt NONE NONE
Debris NONE NONE
Dirt NONE NONE
Appearance NORML NORML
Odor NORML NORML
H2O(Emul) NEG NEG
H2O(Free) NEG NEG