With a wet sump,the pre-filter only catches anything large enough to jam the rotors in the pump.The filter does the filter-ing,,,,,,IMO a NON-bypass filter should be used like the JO-MAR that can also flow good numbers!
When I used the FRAM-HP with a Milodon pump,it would be in bypass mode and not filter doodleysquat.

HEMI-ITIS has no cure.
My condition is fully BLOWN!!