Accusump question

Ok all kidding a side.
I'm going to be thinking (typing) out loud.
If the oil pressure is going down due to the pickup being uncovered, adding pressurized oil is not going to fix the air/bubbly oil from enter the bearings.

Although i was kidding above,..... you should put a extra Quart of oil in.........just for testing!
If the oil pressure goes up during the run......your uncovering the pick up. If not.....there is something else going on.

Needs larger oil pump pickup tube

To much oil in pan and whipping it up.

Pick-up tube is not level to the pan. Causing it to pull air as the oil head to the back of the pan and the oil lever in the sump, of the pan, gets lower during the pass.

Pick-up tube got bent some how and is not low enough in the sump of the pan.

I guess you could have a loose pick up tube........or a crack in the tube that's submerged while at idle but is uncover when you launched the car and the oil level goes down in the sump............

Just some thought running through my head tonight.