Originally Posted by BonneMeMN
Even clean engines make the oil black. But that'* good, that means it'* cleaning and not building up.
Do you trust even a top brand filter to last those kinda miles?
I swap out my Mobil every 5k or so, with a filter like Wix/Napa Gold, AC Delco, etc.
My point exactly. Now, I run a little longer than 5k in my Bonneville, but I always use a quality filter.
The main reason to change your filter often is because engines are dirty. When a filter starts to get plugged up with debri and contaminants, sooner or later, it will plug up to a degree that it will start to bypass the filter entirely! And that is NOT good at all!
Among Wix/Napa Gold & AC Delco are the Purolator or Pure One filters as well as the Mobil 1 filters. There are a few other quality filters out there, but those are the highest ranking in all the tests that I have seen.