[MetroMPG]

Christ - you really need to add your vehicle(s) to the garage so people have context for your posts.

The technique I think you're describing in post #7 is what I once called "pulse and bleed", where the bleed is a very light load / high MPG gradual loss of speed (need instant mpg readout to maximize MPG while bleeding off speed). I've tried it on multiple occasions at different bleed rates in my car and was never able to make it work better than DWL at the same average speed.