After retuning the plane to service after changing the oil sump gasket a couple of years ago, I thought I noticed the oil pressure running higher than I remembered. Near top of green, higher if not fully warm. I removed all but one washer from the pressure regulator, but it still remained high. I assured myself that high was not a bad thing and kept on keeping on. But the gnawing question is if there is any “bad” thing it could be pointing at. Oil analysis and filter cut has been normal.
On an unrelated note (I think), a spike in oil consumption led me to pulling #4 cylinder, finding a broken top ring. Reworked cylinder (Phil’s) and finally flew the first hour of run-in yesterday. This morning’s inspection happily shows negligible oil consumption and for the first time in a long time, no drip puddle under the breather. This is on my 2300 hour engine. While the cylinder was off, internal inspection of the cam, etc., looked very good. It was never my intention to care for a geriatric engine, but apparently it is doing better than I am.