Ah, well, I don't know how well it works, or in my case, IF it even works. Whatever it is I do with it, it always runs 15MPG. road trip to TX, 15mpg, picking up a 3,500lbs trailer in Abq, 15mpg, trip around here, 15mpg.
kind funny though, the DIC "V8/V4 economy" goes back and forth...