Keeping Your 4370 Magneto Running Strong
If you're flying a light aircraft with a Lycoming engine, there's a good chance you're relying on a 4370 magneto to keep those spark plugs firing. It's one of those parts that just sits on the back of the engine, doing its job quietly until, well, it doesn't. When you're sitting at the hold short line doing your run-up and you see that RPM drop go a bit further than you'd like, the magneto is usually the first thing you start mentally blaming. ...