Either the Fram XG Extended Guard 3614 and NAPA Platinum 41348 filters are extraordinary oil filters, or Polaris Laboratories screwed up the particle count analysis on three samples. Here's the basic information:
- Sample 1: Toyota 0W-20 after 9837 miles. ISO Cleanliness 17/16/14, with 698 particles 4u>10U
- Sample 2: Virgin Pennzoil Platinum 5W-20. ISO Cleanliness 21/17/13, with 15634 particles 4u > 10u
- Sample 3: Pennzoil Platinum 5W-20 from the same 5 qt bottle as Sample 2, but after the vehicle had been run 10 miles to circulate the oil and mix with the remaining oil that was left in the oil passages after draining the oil. ISO Cleanliness 17/16/14 with 738 particles 4u>10u.
If these analyses are correct, which I doubt, the NAPA Platinum filter removed 98.8% of the particles which were less than 10u in diameter and 99.5% of the particles which were less than 14u in diameter. Frankly, I cannot believe these results.
Can anyone explain this???
- Sample 1: Toyota 0W-20 after 9837 miles. ISO Cleanliness 17/16/14, with 698 particles 4u>10U
- Sample 2: Virgin Pennzoil Platinum 5W-20. ISO Cleanliness 21/17/13, with 15634 particles 4u > 10u
- Sample 3: Pennzoil Platinum 5W-20 from the same 5 qt bottle as Sample 2, but after the vehicle had been run 10 miles to circulate the oil and mix with the remaining oil that was left in the oil passages after draining the oil. ISO Cleanliness 17/16/14 with 738 particles 4u>10u.
If these analyses are correct, which I doubt, the NAPA Platinum filter removed 98.8% of the particles which were less than 10u in diameter and 99.5% of the particles which were less than 14u in diameter. Frankly, I cannot believe these results.
Can anyone explain this???