Hi and thanks. We adjusted the valves shortly after the problem started. The exhaust valves were real tight on #1 and slightly out of spec on the others. Adjusting did not help with the noise. We then adjusted them again a couple of weeks ago just to be sure and they were still OK. Haven’t checked the oil pressure beyond knowing that the idiot light stays off as it should. Just went out and warmed the engine and then drained oil. There is some metal in it that is super fine(think talc particles) and evenly dispersed.