Maintenance free Crankcase filter

[Tmaj12k]

(03-03-2018 )Joesixpack Wrote:  Not sure how he could make it more clear but the maintenance free filter or a element filter drilled out still helps return oil back to the crank case on a tired engine. Straight piped that oil is gone and that much more coating the belly of the truck.

For the most part, this is what I thought.