BD, you're my hero. You're getting mileage out of that beast that I can only barely scrape out of my Forester. (tips cap)
I wonder what it would take to drag that truck into the 30mpg range - barring a long coast down the back side of the High Sierras.
I have a 4 cylinder frontier i want to tweak for gas mileage. do you have any info on your mods, like the "bed shell"? or just a bigger picture of your truck.