Originally Posted by
3wheels
I always fly with the mixture rich at any altitude below 5000 feet and set the prop set to "over square".
That's right...isn't it?
OH NO, the horrid over-square debate again.
On your next flight set your power as you usually do, then note CHT. Next lean till peak EGT and note CHT will decrease. (Happier, cooler, cleaner combustion.) Not rocket science, it is all in the Lycoming graph posted above.