Author: Paul McBride

Question for Paul McBride, the General Aviation News engines expert: I own a Piper Cherokee 6. Is it possible to […]

Question for Paul McBride, the General Aviation News engines expert: I have acquired a Lycoming O-290 in an experimental. The […]

I am building a Velocity and it happens that I purchased a zero time rebuilt 250-hp Lycoming IO-540-C4B5 engine. I […]

The short running of the engine pumps heavier oil throughout the engine. Better corrosion protection is the theory. What is […]

Question for Paul McBride, the General Aviation News engines expert: I have been maintaining a 1953 T-34 (Beech A45) with […]

I recently bought a borescope and used it on my neighbor’s experimental Panther. I discovered these marks, which are really […]

I have an interesting problem with my Piper PA28-235 with a Lycoming O-540 B4B5 engine that has my IA stumped. […]

However, whenever I start the plane and reduce RPM to 1,000, it runs very rough. It idles at about 650 […]

From my experience when an engine thru bolt fails, it’s typically caused by one of two things: Under torque or […]

Anytime you are asking a question regarding a Lycoming engine, it’s much easier for me to respond if I have […]