Questions tagged [lycoming]

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3
votes
0answers
76 views

Are Lycoming O-360-A4M engines generally known to have right magneto issues at low power settings?

TLDR - I am renting a PA-28 181 (engine Lycoming O-360-A4M), and have noticed that the right mag is rough at low power settings. During before takeoff power checks, both magnetos operate as expected, ...
2
votes
2answers
360 views

How can I decode Lycoming engine number?

How can I decode Lycoming engine number suffices? What does D3G mean in o-320-D3G or D2A in o-320-D2A? Is there any chart or tabel for decode suffixes?
9
votes
1answer
671 views

Causes of High CHTs

I have a Long EZ with a Lycoming O-320 E2D. It had a complete top-end overhaul two years ago, in June 2017. All four cylinders were relined, and pistons and rings were replaced. Since then the ...
2
votes
1answer
597 views

Why does the main battery discharge with the alternator running?

In my cessna 172S, when engine running at any RPM, the current at the main battery is below zero, indicating that the alternator is not charging the battery or the battery discharges, but the standby ...
1
vote
2answers
183 views

Carb Heat and Lycoming Engines

Why is Carb Heat less of an issue on Lycoming Engines? and if this is true, how much less of an issue is it?