Blmpkn
Well-Known Member
It's probably your tune helping for sure.It its crazy how some can get good mileage where others don't. But everyone drives differently and on different terrain so it's impossible to get accurate results. I know I was surprised when I got those numbers posted above. We had left my house here in AZ and headed to Durango, CO and the ride up to Flagstaff is mostly uphill then east through a few passes to Durango. Even going from Durango, CO to Custer, SD I still averaged mid 23 going over some pretty big mountain passes. Crazy since I'm lifted with 32's and running the 91-93 performance tune but I'll take it. ?
It's wild looking at the live readout while traveling down the turnpike. Flat flat FLAT ground at 60mph and my truck will say 24 or 25mpg... then I'll start up a hill with barely enough slope for a ball to roll down and it'll drop by nearly 10mpg lol. Boost is murder on efficiency.
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