Personaly, I think that the last thing I would be doing in an engine out situation, is look at my 740 for a "glide Ring". I would be trimming the bird to my best glide speed around 70/80 Mph and as low sa 60 upwind and try to choose the best place to put the bird in, and yes, I did practice in ALL wind directions, so I have an Idea what my plane will do, and remember a good prayer is essential also.
Ciao