If all the oil flows thru the filter, then it's filtering 100% of the oil. How much of the contamination is filtered out is dependent on the micron rating of the filter.
Originally Posted by Otto Skorzeny
Basically there's no meaningful difference between the two.
I fixed it for you.
Kevin 1951 Chevy 3100 work truck Follow this saga in Project Journal Photos 1929 Ford pickup restored from the ground up. | 1929 Ford Special Coupe (First car) Busting rust since the mid-60's If you're smart enough to take it apart, you darn well better be smart enough to put it back together.