by General Aviation News Staff | Oct 21, 2021 | 20211104, Ask Paul, Aviation News, Engines, General Aviation, Lycoming, Opinion
If an engine conversion to 8.5:1 compression ratio pistons was not approved by Lycoming, the conversion to 9.5:1 in your engine is adding insult to injury. Read...
by Paul McBride | Apr 26, 2021 | Ask Paul, Aviation News, Engines, General Aviation, Opinion
Thanks to a good friend who acts as my “conscience” for my posts, I’ve been advised that I may have mislead those who may be thinking about permanently removing a vacuum pump in a Lycoming engine in a Piper Arrow III. Read...