Anyone have one? I'm installing inverted oil, and in my head the oil routing just doesn't make sense. I've got the basic idea down, but during install you have to shorten the lycoming oil screen and install a plug into the sump that's held in place by the shortened screen. What exactly does this plug do/block? I haven't seen the inside of a sump in person and I can't find a good picture online. My assumption was that the pump drew oil through the lycoming screen and out the end of it. By installing this plug you're basically blocking the outlet of the screen/oil pump inlet? But that can't be right because the oil pump still gets oil from somewhere. So if anyone can enlighten me on what the plug does and where the oil pump gets its oil from, I would be grateful. Thanks.