Sorry no video, but the idea is the following.
Leaning is a matter of Exhaust Gas Temperature (EGT).
When you lean, the EGT will rise, till it will reach a peak. If you continue to lean, the EGT will drop (until a point where the engine will run roughly and eventually...shut down).
Best power is done around 75°F on the rich side of the EGT Peak. This is called "75 ROP" or "Rich of Peak". You will burn more fuel, but will go faster.
Best economy is achieved around 75°F on the lean side of the peak. This is called 75 LOP, or "Lean of Peak". You will go slower, but will consume less fuel.
When you click assist leaning and start to lean, there will be a little indication which will tell you which cylinder will reach the peak the first (if you seek for ROP) or the last (if you seek LOP), then which will tell you the temperature difference between current and peak.
It helps you in finding the correct setting for 75° ROP or LOP.
Your engine is really sensitive, and one of the most precluding factor on the long term is you cylinder temperature. In cruise, but especially in climb and descent, you must :
- keep the CHT below 380°F (the best), or at least below 410°F. Above 410°F can still be inside the limits, but will not be good engine management.
- avoid shock cooling, especially in descent. I think I heard a rule of thumb is to limit the CHT reduction to less than 50°F per minute.
But hey, this is simulator. Fucking an engine or a cylinder is not as expensive as in the real thing !