What happened to dead foot dead engine?

If you were in "bumpy" air, as in clouds or around thunderstorms, dead foot, dead engine wouldn't mean a whole lot! My practice was, in smooth air, ball in turn and bank, first look, in "bumpy" air, manifold pressure was first look. Either way or in any conditions, if you lose 50% of your power, its a bad situation, but can be handled with proper procedures.