even a MINUTE drop for a SECOND in oil pressure to the galley and you will cause irreversable damage (read: spun bearing..)
the duratec (any engine??)cannot have a drop in oil pressure, for even a minute, while at any type of higher rev without causing SERIOUS damage.
An oil pressure guage would allow you to watch your pressure drop, so you would KNOW you did damage.. lol the spike, and speed that the pressure drops is MUCH too fast to do anything about. an accusump, extra oil, and safe driving habits will help the most.. a pressure guage will be an added benefit.
Ray