Hello everybody, Was wondering if any of you have a clue on the following: our M20K 252 has always used one quart of oil every 5 to 6 hours, but consumption is up lately and I'm guessing it's turbo related. Every cold start leaves a significant greasespot on the tarmac and keeps the hangar door wel lubed too. It doesn't seem to leak excessively when standing still, my guess is most oil gets used right after starting. Flew from Holland to Vienna a few weeks back and during cruise it hardly u