On the 50K sample I swapped out the Wix AT spin-on filter and had to replace right at 1QT of fluid. Metals look better now at 60K. Sent a note to Blackstone and curious here to see how much further you all think I can safely push this fluid. Fluid was not changed at time of sample.
Make/Model: Allison 1000
Vehicle: 2004 Chevy 2500HD
Code:
OIL Amsoil ATF Amsoil ATF Allison Allison Allison ATF
MILES IN USE 60,568 50,547 55,999 45,909 22,681
MILES 193,882 183,861 133,314 123,224 99,996
SAMPLE TAKEN 6/22/16 10/7/15 12/8/12 6/13/12 7/19/11
MAKE UP OIL 1QT 0 0 0 0
ALUMINUM 10 11 13 11 9
CHROMIUM 0 0 0 0 0
IRON 31 36 34 28 23
COPPER 22 23 25 23 19
LEAD 23 26 42 37 34
TIN 0 0 0 0 2
MOLYBDENUM 0 0 0 0 0
NICKEL 0 0 1 1 0
MANGANESE 1 1 1 1 1
SILVER 0 0 1 0 0
TITANIUM 0 0 0 0 0
POTASSIUM 1 4 2 1 0
BORON 155 164 133 116 123
SILICON 6 7 5 4 3
SODIUM 7 6 6 4 5
CALCIUM 127 139 72 65 57
MAGNESIUM 1 1 2 1 1
PHOSPHORUS 398 412 349 310 298
ZINC 9 10 11 9 9
BARIUM 1 1 1 1 1
SUS @ 210 46.5 52.7 45.5 46.0 45.1
cSt @ 100 6.20 8.08 5.87 6.03 5.77
FLASHPOINT 425 405 410 375 390
WATER % 0.0 0.0 0.0 0.0 0.0
INSOLUBLES % TR 0.0 0.0 0.0 0.0
TAN 2.1 2.6 1.7 2.1
Blackstone Comments:
This transmission continues to look good on our end, and at this time, that's after using an even longer interval than before. There's actually a little less metal this time compared to the last, and that's always nice to see. If any issues exist for this unit, they aren't apparent in the data. Contamination isn't a concern and the TAN shows mild acidity at 2.1. The trace of insolubles is fine. We're glad this oil is still in place because it can see more use.
Make/Model: Allison 1000
Vehicle: 2004 Chevy 2500HD
Code:
OIL Amsoil ATF Amsoil ATF Allison Allison Allison ATF
MILES IN USE 60,568 50,547 55,999 45,909 22,681
MILES 193,882 183,861 133,314 123,224 99,996
SAMPLE TAKEN 6/22/16 10/7/15 12/8/12 6/13/12 7/19/11
MAKE UP OIL 1QT 0 0 0 0
ALUMINUM 10 11 13 11 9
CHROMIUM 0 0 0 0 0
IRON 31 36 34 28 23
COPPER 22 23 25 23 19
LEAD 23 26 42 37 34
TIN 0 0 0 0 2
MOLYBDENUM 0 0 0 0 0
NICKEL 0 0 1 1 0
MANGANESE 1 1 1 1 1
SILVER 0 0 1 0 0
TITANIUM 0 0 0 0 0
POTASSIUM 1 4 2 1 0
BORON 155 164 133 116 123
SILICON 6 7 5 4 3
SODIUM 7 6 6 4 5
CALCIUM 127 139 72 65 57
MAGNESIUM 1 1 2 1 1
PHOSPHORUS 398 412 349 310 298
ZINC 9 10 11 9 9
BARIUM 1 1 1 1 1
SUS @ 210 46.5 52.7 45.5 46.0 45.1
cSt @ 100 6.20 8.08 5.87 6.03 5.77
FLASHPOINT 425 405 410 375 390
WATER % 0.0 0.0 0.0 0.0 0.0
INSOLUBLES % TR 0.0 0.0 0.0 0.0
TAN 2.1 2.6 1.7 2.1
Blackstone Comments:
This transmission continues to look good on our end, and at this time, that's after using an even longer interval than before. There's actually a little less metal this time compared to the last, and that's always nice to see. If any issues exist for this unit, they aren't apparent in the data. Contamination isn't a concern and the TAN shows mild acidity at 2.1. The trace of insolubles is fine. We're glad this oil is still in place because it can see more use.