I had a low oil pressure indication in my Mooney Encore the other day and made a precautionary landing in Myrtle Beach, SC. There was debris in the oil pressure regulator causing it to fail and the shop there looked at the oil filter and found non-ferrous metal, indicating it's time for an overhaul. I had been seeing the oil blacken quickly so I knew this was coming. The engine is at about 1330 hours.  Shop there quoted me $35,000 for an overhaul including magnetos, harness, spark plugs, tu