I put a gasket in the pump and it worked perfectly. First set of test show no oil coming out of those holes, at all. There is oil dripping through the sides (bottom?), but not out the top. Initially it had 30psi of oil pressure, so I stuck a Buick 455 high pressure spring in there and got over 60psi, and still nothing. I rotated the crank a bit and still nothing, but I have not tried rotating the crank while the pump is going due to an oil return line I don't trust...
I am thinking of naming this test rig "Grease Ball" or "Exxon Valdez" because how grimy it is. Gunk everywhere but the crank turns freely. The oil return line is just a scrap piece of 3/8th tubing I jammed into the oil passage that feeds up to the lash adjusters and cam housing, there is no positive hold down on it. I may weld a tab to it and bolt it down at the nearest head bolt or something. As kind of apparent, I had one "oops" where the line popped out and a geyser of oil shot up at least 5 feet and splashed on the ceiling, among other things.
Due to the line popping off once, I hold on to it while running the drill and observing, but out of curiosity I wanted to see how efficiently the pump moved oil and it seems pretty good. Using a simple hand ratchet it pumps pretty well to the top. Each pulse is a 1/3-1/2 rotation of the pump, so when the engine is going, plenty of oil is moving around. https://www.youtube.com/watch?v=FKwQ8DD3ePc
And it seems some one else had tried to boost the oil pressure of the engine as I found a nut in the relief cap shimming the spring up, lol.
