Hey BobWard
What I have learned from my Expy over the last year of Interstate travel - cruise at 77 or 80 depending, Eco mode, 93 Perf Tune, running E50 = manually downshift to 9th or 8th gear, trading RPM's for Boost. Boost = more fuel. Downshifting = less boost, but more RPM's. Avg. 20 - 22...