I took a mid-interval sample to see how the TBN is holding up, and I'd like to run it to the factory-recommended 7,500 mi OCI; Subaru OEM blue filter, as usual. Easy driving for the most part and lots of winter idling, a few autocross events during this interval.
Code:
Oil---------------------- Factory Fill ------ Edge OE 5w30---Pennzoil Platinum 5w30--- Pennzoil Ultra 5w30--- Mobil 1 ESP 5w30--- Universal Averages
Miles In Use 3,002 4,048 3,351 4,547 4,889
Miles on Unit 3,002 7,050 10,401 14,948 19,837
Date Changed 2/1/13 5/10/13 8/05/13 11/11/13 2/28/14
Make up Oil Added--------- 0 Qts. ------------ 0 Qts. ------- 0 Qts. ------------------ 0.6 Qts. ------------- 0 Qts.
Aluminum------------------ 7 ----------------- 9 ------------ 6 ----------------------- 5 ---------------------4 ----------------- 4
Chromium 1 1 1 1 1 1
Iron 34 16 14 11 10 9
Copper 27 9 7 5 3 9
Lead---------------------- 0 ----------------- 0 ------------ 0 ----------------------- 0 -------------------- 0 ----------------- 3
Tin 4 3 2 0 0 1
Molybdenum 1079 435 118 70 81 72
Nickel 0 0 0 0 1 0
Manganese 2 1 1 0 0 1
Silver-------------------- 2 ----------------- 1 ------------ 0 ----------------------- 1 -------------------- 1 ----------------- 0
Titanium 0 1 0 2 0 0
Potassium 2 2 2 1 0 2
Boron 198 26 6 60 126 46
Silicon 89 19 10 5 4 11
Sodium-------------------- 8 ----------------- 6 ------------ 1 ----------------------- 2 -------------------- 3 ----------------- 28
Calcium 2105 1777 2388 2422 1218 2006
Magnesium 12 6 12 15 6 369
Phosphorous 892 680 725 798 695 810
Zinc---------------------- 1082 -------------- 802 ---------- 831 --------------------- 842 ------------------ 778 --------------- 960
Barium 2 1 0 0 0 0
SUS Viscosity @ 210F------ 52.4 -------------- 66.1 --------- 58.9 -------------------- 57.3 ----------------- 62.8 -------------- 56-63
cSt Viscosity @ 100C 7.99 11.91 9.91 9.44 11.0 9.1-11.3
Flashpoint in F 405 435 405 425 410 >365
Fuel
Antifreeze %-------------- 0.0 --------------- 0.0 ---------- 0.0 --------------------- 0.0 ------------------ 0.0 --------------- 0.0
Water %. 0.0 0.0 0.0 0.0 0.0
Insolubles % 0.2 0.3 0.1 0.3 0.4
TBN N/A 2.8 N/A 5.2 3.0
Code:
Oil---------------------- Factory Fill ------ Edge OE 5w30---Pennzoil Platinum 5w30--- Pennzoil Ultra 5w30--- Mobil 1 ESP 5w30--- Universal Averages
Miles In Use 3,002 4,048 3,351 4,547 4,889
Miles on Unit 3,002 7,050 10,401 14,948 19,837
Date Changed 2/1/13 5/10/13 8/05/13 11/11/13 2/28/14
Make up Oil Added--------- 0 Qts. ------------ 0 Qts. ------- 0 Qts. ------------------ 0.6 Qts. ------------- 0 Qts.
Aluminum------------------ 7 ----------------- 9 ------------ 6 ----------------------- 5 ---------------------4 ----------------- 4
Chromium 1 1 1 1 1 1
Iron 34 16 14 11 10 9
Copper 27 9 7 5 3 9
Lead---------------------- 0 ----------------- 0 ------------ 0 ----------------------- 0 -------------------- 0 ----------------- 3
Tin 4 3 2 0 0 1
Molybdenum 1079 435 118 70 81 72
Nickel 0 0 0 0 1 0
Manganese 2 1 1 0 0 1
Silver-------------------- 2 ----------------- 1 ------------ 0 ----------------------- 1 -------------------- 1 ----------------- 0
Titanium 0 1 0 2 0 0
Potassium 2 2 2 1 0 2
Boron 198 26 6 60 126 46
Silicon 89 19 10 5 4 11
Sodium-------------------- 8 ----------------- 6 ------------ 1 ----------------------- 2 -------------------- 3 ----------------- 28
Calcium 2105 1777 2388 2422 1218 2006
Magnesium 12 6 12 15 6 369
Phosphorous 892 680 725 798 695 810
Zinc---------------------- 1082 -------------- 802 ---------- 831 --------------------- 842 ------------------ 778 --------------- 960
Barium 2 1 0 0 0 0
SUS Viscosity @ 210F------ 52.4 -------------- 66.1 --------- 58.9 -------------------- 57.3 ----------------- 62.8 -------------- 56-63
cSt Viscosity @ 100C 7.99 11.91 9.91 9.44 11.0 9.1-11.3
Flashpoint in F 405 435 405 425 410 >365
Fuel
Antifreeze %-------------- 0.0 --------------- 0.0 ---------- 0.0 --------------------- 0.0 ------------------ 0.0 --------------- 0.0
Water %. 0.0 0.0 0.0 0.0 0.0
Insolubles % 0.2 0.3 0.1 0.3 0.4
TBN N/A 2.8 N/A 5.2 3.0