Been using Amsoil DEO 5w40 for a year or so but the prices have risen up sharply here in Canada and I was able to find and purchase the PC Duron for a decent price so why not. 
My driving habits are still the same since the truck was new, a lot of stop and go driving, with a fair amount of idling.
Don't have an engine timer but tried to use a hand held stop watch for this interval and it looks like in 10,000kms the engine was on for about 200 hrs.
The oil held up very well imo, maybe because there wasn't any fuel dilution this time? Engine has 135,000 miles on it and still running strong, knock on wood.
These are the specs for the PC Duron 5w40
http://lubricants.petro-canada.ca/resource/download.aspx?type=TechData&iproduct=180&language=en
Code:
x XD-3 Delvac Castrol XD-3 XD-3 XD-3 XD-3 XD-3 DEO ACD DEO PC Duron
x 0w40 15w40 15w40 0w30 0w30 0w30 15w40/0w300w30 5w40 30/10w30 5w40 5w40
Total KM's 14000km 22000km 28400km 37100km 47000km 55000 63700km 72400 160500 164500 174500 216500
Time on Fluid 8000km 8000km 6400km 8700km 9900km 8000 8700km 8700km 8000 km 4000km 10,000 10,000km
Time on Filter 8000km 8000km 6400km 8700km 9900km 8000 8700km 8700km 8000km 4000km 14,000 10,000km
Fluid Maint Changed Changed Changed Changed Changed Changed Changed Changed Changed Changed Changed Changed
Filter Maint Changed Changed Changed Changed Changed Changed Changed Changed Changed Changed Changed Changed
Iron (Fe) 45 39 50 33 27 24 21 19 8.5 5.9 9.9 12
Lead (Pb) 1.2 0.7 0.3 0.8 1.1 0.5 1 0 0.5 0.8 2.1 2.7
Silicon (Si) 64 31 20 16 14 11 8.7 8 5 4.3 5.4 5.9
Copper (Cu) 10 6 3.6 2.9 8.1 4.8 3.3 2.6 0.7 0.6 1.2 1.3
Chromium (Cr) 1.1 1.2 2 1.3 1.2 0.7 0.7 0.6 0.3 0.3 0.6 0.5
Nickel (Ni) 0 0 0 0 0 0 0 0 0 0 0 0
Titanium (Ti) 0 0 0.2 0.1 0.1 0 0.1 0 0 0.1 0.1 0.1
Silver (Ag) 0.4 0.4 0.4 0.3 0.4 0 0 0 0 0 0 0
Aluminum (Al) 1.3 4.3 6.3 3.2 2.9 2.6 2.2 2 0.8 1.6 2.5 1.2
Tin (Sn) 1.3 0.9 0.2 0.5 1 0.2 0.7 0 0 0 0.9 0
Sodium (Na) 3.4 0.8 3.1 1.8 0.5 5.6 8.7 7 1.4 1.1 3 0.7
Potassium (K) 12 4.1 5.5 2.3 2.5 1.9 3.5 2.1 0 0 0 0
Boron (B) 3.6 24 7 4.3 2.6 0 4.8 1.4 2 0.9 3.1 3
Barium (Ba) 0.7 0.3 0.6 0.2 0.1 0.1 0.2 0.2 0.1 0 0.1 0
Molybdenum (Mo) 0.6 27 7.2 3.2 1.2 0.7 0.9 0.6 0.1 0.5 0.5 0.3
Magnesium (Mg) 9 315 84 27 14 9.5 8.8 9.4 5.8 8.8 8.8 8.3
Calcium (Ca) 2938 2534 2819 3003 3144 3096 3048 3350 2580 3195 2749 2999
Phosphorus (P) 1005 1099 1151 1026 1150 940 1077 1233 1050 1095 1026 1248
Zinc (Zn) 1192 1277 1277 1213 1227 1130 1205 1376 1221 1289 1245 1501
Sulfur (S) 3143 3313 4387 3556 3764 3526 3632 4022 3360 3669 3360 3754
Manganese (Mn) 1 0.8 0.8 0.6 0.5 0.3 0.4 0.4 0.1 0.1 0.2 0.2
Vanadium (V) 0 0 0.1 0 0.1 0 0.1 0 0 0.1 0 0
Fuel(%) 3 4 3 4 5 6 5 4 1 0 3 0
Glycol NEG NEG NEG NEG neg NEG neg neg neg
Soot(%) 0 0 0 0 0 0 0 0 0 0 0 0
Oxid(PA) 63 63 163 63 68 72 68 68 181 173 194 118
Nitr(PA) 64 73 195 73 82 82 82 82 55 45 64 69
Sulf(PA) 56 56 191 56 56 56 59 59 129 126 141 84
ZDDP 17 18 18 18 17 16 17 18 21 22 23 22.2
TBN 8.06 8.19 7.31 7.42 7.31 8.01 6.65 8.8 5.14 8.17 9.2 10.4
Kv@100°C 9.8 12 11.1 10 8.9 9.2 9.6 10.8 11.3 10.1 11 12.5
VOA Kv@100°C 15.7 15.5 14.8 12.1 12.1 12.1 ~13.5? 12.1 15.3 10.5 15.3 15.5
My driving habits are still the same since the truck was new, a lot of stop and go driving, with a fair amount of idling.
Don't have an engine timer but tried to use a hand held stop watch for this interval and it looks like in 10,000kms the engine was on for about 200 hrs.
The oil held up very well imo, maybe because there wasn't any fuel dilution this time? Engine has 135,000 miles on it and still running strong, knock on wood.
These are the specs for the PC Duron 5w40
http://lubricants.petro-canada.ca/resource/download.aspx?type=TechData&iproduct=180&language=en
Code:
x XD-3 Delvac Castrol XD-3 XD-3 XD-3 XD-3 XD-3 DEO ACD DEO PC Duron
x 0w40 15w40 15w40 0w30 0w30 0w30 15w40/0w300w30 5w40 30/10w30 5w40 5w40
Total KM's 14000km 22000km 28400km 37100km 47000km 55000 63700km 72400 160500 164500 174500 216500
Time on Fluid 8000km 8000km 6400km 8700km 9900km 8000 8700km 8700km 8000 km 4000km 10,000 10,000km
Time on Filter 8000km 8000km 6400km 8700km 9900km 8000 8700km 8700km 8000km 4000km 14,000 10,000km
Fluid Maint Changed Changed Changed Changed Changed Changed Changed Changed Changed Changed Changed Changed
Filter Maint Changed Changed Changed Changed Changed Changed Changed Changed Changed Changed Changed Changed
Iron (Fe) 45 39 50 33 27 24 21 19 8.5 5.9 9.9 12
Lead (Pb) 1.2 0.7 0.3 0.8 1.1 0.5 1 0 0.5 0.8 2.1 2.7
Silicon (Si) 64 31 20 16 14 11 8.7 8 5 4.3 5.4 5.9
Copper (Cu) 10 6 3.6 2.9 8.1 4.8 3.3 2.6 0.7 0.6 1.2 1.3
Chromium (Cr) 1.1 1.2 2 1.3 1.2 0.7 0.7 0.6 0.3 0.3 0.6 0.5
Nickel (Ni) 0 0 0 0 0 0 0 0 0 0 0 0
Titanium (Ti) 0 0 0.2 0.1 0.1 0 0.1 0 0 0.1 0.1 0.1
Silver (Ag) 0.4 0.4 0.4 0.3 0.4 0 0 0 0 0 0 0
Aluminum (Al) 1.3 4.3 6.3 3.2 2.9 2.6 2.2 2 0.8 1.6 2.5 1.2
Tin (Sn) 1.3 0.9 0.2 0.5 1 0.2 0.7 0 0 0 0.9 0
Sodium (Na) 3.4 0.8 3.1 1.8 0.5 5.6 8.7 7 1.4 1.1 3 0.7
Potassium (K) 12 4.1 5.5 2.3 2.5 1.9 3.5 2.1 0 0 0 0
Boron (B) 3.6 24 7 4.3 2.6 0 4.8 1.4 2 0.9 3.1 3
Barium (Ba) 0.7 0.3 0.6 0.2 0.1 0.1 0.2 0.2 0.1 0 0.1 0
Molybdenum (Mo) 0.6 27 7.2 3.2 1.2 0.7 0.9 0.6 0.1 0.5 0.5 0.3
Magnesium (Mg) 9 315 84 27 14 9.5 8.8 9.4 5.8 8.8 8.8 8.3
Calcium (Ca) 2938 2534 2819 3003 3144 3096 3048 3350 2580 3195 2749 2999
Phosphorus (P) 1005 1099 1151 1026 1150 940 1077 1233 1050 1095 1026 1248
Zinc (Zn) 1192 1277 1277 1213 1227 1130 1205 1376 1221 1289 1245 1501
Sulfur (S) 3143 3313 4387 3556 3764 3526 3632 4022 3360 3669 3360 3754
Manganese (Mn) 1 0.8 0.8 0.6 0.5 0.3 0.4 0.4 0.1 0.1 0.2 0.2
Vanadium (V) 0 0 0.1 0 0.1 0 0.1 0 0 0.1 0 0
Fuel(%) 3 4 3 4 5 6 5 4 1 0 3 0
Glycol NEG NEG NEG NEG neg NEG neg neg neg
Soot(%) 0 0 0 0 0 0 0 0 0 0 0 0
Oxid(PA) 63 63 163 63 68 72 68 68 181 173 194 118
Nitr(PA) 64 73 195 73 82 82 82 82 55 45 64 69
Sulf(PA) 56 56 191 56 56 56 59 59 129 126 141 84
ZDDP 17 18 18 18 17 16 17 18 21 22 23 22.2
TBN 8.06 8.19 7.31 7.42 7.31 8.01 6.65 8.8 5.14 8.17 9.2 10.4
Kv@100°C 9.8 12 11.1 10 8.9 9.2 9.6 10.8 11.3 10.1 11 12.5
VOA Kv@100°C 15.7 15.5 14.8 12.1 12.1 12.1 ~13.5? 12.1 15.3 10.5 15.3 15.5
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