Originally Posted By: andyd
Originally Posted By: jsinton
Originally Posted By: 901Memphis
Without TBN and TAN it not interesting. One quart of top off oil in 4k isn't necessarily enough to keep the TBN up or the TAN down. Without knowing those data points you may have no explanation for high wear which are likely.
I also feel that your changing your oil filter too often. Just get a good filter and leave it on for a solid run like an Fram Ultra and keep it for 15,000 miles.
Are you adding the partial quart from the new filter when you change that or is that part of your 1 quart in 4k you add? When you remove the old filter your losing at least 1/4 quart there.
My theory is the oil I have is not inferior in any way. I don't believe I have high wear.
Filtration is the key behind my system. That's what keeps the oil clean, which is what I'm trying to prove. Any filter will lose its ability to trap smaller particles as it gets older. A filter with 100 miles is better than a filter with 1k, a filter with 1k filters better than a filter with 3k, and so on.
I add oil as needed, never getting half way down the marks. I lose 1/2 quart when I change filters. Therefore, I get at least 1 1/2 quarts per 4k miles of fresh oil.
Doesn't the oil filter become more efficient as it traps dirt. The dirt acts to reduce the size of the passages?
I don't think so. My theory is the filter's smaller passages get filled up first, thus the filter loses that ability as time goes on.