Originally Posted By: 2015_PSD
Originally Posted By: roadrunner1
When I bought my 6.7 ('15) I also bought a case (12) of MotorCraft oil filters. I UOA at every OC and every one has come back excellent, and I go until the IOLM tells me to "change oil now".
I don't know what you're looking for from your filter choice, but the MotorCraft has performed as it should in my case. When I bought the case of filters they were around $13 per filter and it gets changed between 7,500 mi.-10,000 mi.
So my question is what are you expecting from a different filter.
Have you ever cut one of them open after 7,500-10,000 miles? A UOA would not show anything out of the ordinary due to a problem with the filter. To answer your question, for the amount of money an FL-2051s costs, I would want to be in better shape after only 4,300 miles. To each his or her own, but (for me) that filter is not worth the money--plenty of others at the same price point that have higher quality of construction. As a side note, with the amount of highway miles that you pull, I would be surprised if anything other than a perfect UOA came back.
Isn't the purpose of an oil filter to filter the oil? If there was a problem with an oil filter (tear ect) wouldn't the resulting particles floating through the engine cause damage? A UOA would definitely show this, just as it would show a faulty air filter with a higher than normal silicon number.
The point is I am trying to figure out what the definition of "better" is and how one would determine it.