Dude I forgot about the oil trick, that's a good idea. I still think you have bad rings. What are the odds of leaking valves or head gasket that yield 200psi in 3 cylinders. You're better off wining the loto in 3 states on the same day. I bet you couldn't misadjust the valves to do that if you tried!
Maybe see if you can secure a used motor and we'll swap it out. Should be done in a days work no sweat with the two of us working simultaneously.
Knarf