| I believe you if you say it gets all the oil but, I am surprised.
It still seems like alot of work other than just twisting the valve open and closed. Plus, if I have an outside shop do it (Buddy) they won't have to clean the underside of the truck.
I wonder how much gets left in the pan with the valve. I guess it would still be cleaner when drained just remove the valve like you tested with the pump. |