Full mixture at altitude on those big Continental engines?
That's the Flight Safety way?
I flew a 421 for many years and always thought of them as very,very, fragile.
I told many pilots that were checking out in the Eagle that those engines were like a prom date:
don't force the issue but just gently suggest.
Man, you just can't throw all that gas into them and expect them to stay running.
Nice job though; you're a successful lawyer-maybe a King Air?