Forgot to add: these 2 examples are with oil shutters partially opened which I think is how it should be, if you close them you would be very likely to exceed 260 CHT especially if not in level flight (due lower airspeed), so it still requires a little bit of management of temperature but its more forgiving (and in my opinion more realistic) and you can still use the engine damage option.
Next problem: fuel flow is incorrect but I have no idea on how to adjust it non-linearly. According to the manuals tables at high power settings the fuel flow is greatly increased, probably due cooling requirements.