I discovered this forum last week when I was trying to figure out how the GOM worked. I read all 44 pages of this post one evening into the early morning and knew I had to try it. All the hyper miling tricks I learned here paid off instantly as I increased my avg kwh/m by a few tenths...
After testing it out for myself, I will add my experience to the low end of expectations. I turtled at the worst possible point on my test loop and made it a hair over 1/2 mile before forced shift to N. What surprised me, however, was contrary to some of the pictures I've seen on the forums...