I've been hovering around 20 mpg. I topped out at 21+ before a/c weather kicked in. I have a regular k&n box filter and run royal purple(on my 3rd oil change)
Surprised to see nobody mention royal purple. I started running this in my last truck and saw immediate returns in mpg. (+1.5ish) It is expensive but it makes me feel good about myself.
And I had a mangled oil filter on my first change as well....to hell with that guy
Love mine, had it for two weeks now. First 5.0 since my '06. Last truck was '16 2.7 ecoboost and have zero complaints about that engine. I was a little bummed that it seemed the new model didn't have a "sport" mode (I'm dumb, it does. It's the 4wd knob for any of you that are unaware). I have no...