Hello Net Yesterday evening I had a phone conversation with a guy named Paul from High Tech Turbo. He said that my problem was very common. It appears that once again I have stepped in my own pile of xxxx. While I was fighting the overheating problem, I decided to add extra oil to the case. My oil return from the turbo drains into the case. The drain hole position is the oil sump area just below the push rod tubes. With the correct amount of oil installed, there was no problem. However with extra oil (one Quart), the turbo oil return is below the oil level and would not allow the turbo to drain. The rest is history. No blown seals at all, the path of least resistance was the path past the Piston ring style turbo oil seal, into the T wheel cavity and down the exhaust pipe. Since it is apart I will change the bearings and all seals and install the new compressor wheel.
Orma Southfield, MI N110LR celebrating 20 years Flying, flying and more flying http://www.kr-2.aviation-mechanics.com/

