In the early fall of 2014, I suffered a crankcase crack on the Lycoming IO360-A3B6D in my 1979 M20J. I have since replaced it with a factory rebuilt IO360-A3B6. The new engine is about 40 hours into the break-in, and all seems well.
Because I utilized information posted on Mooneyspace extensivel...
We have placed cookies on your device to help make this website better. You can adjust your cookie settings, otherwise we'll assume you're okay to continue.