DirtDawg

Just a quick post to report results from my day run yesterday. Reset fuel AVG MPG as I headed out from home base at 5k' elevation to 6.5k' via rolling mountains, then return via same. Gauge displayed 18.8 MPG over 200 miles as I rolled into the driveway, including some stop/go stuff at destination. Not bad for FX4 6.2L w/ 3.73 me-thinks. Odo turned 1000 miles to-date on the way home, so the engine isn't fully broken in. BTW, this was w/ replacement OEM size LT275/65R18C Toyo Open Country AT2 set to 35psi. Thinking mileage on flat interstate might be a bit higher but if not, I'm plenty happy with MPG and range w/ 36 gal tank...

ford20

What is up with the check engine light?

I'm assuming that is mostly at highway speeds?

GriffFX4

Engine not running. Looks like he just has the key in acc

Bmpnugls

Good to hear! Been considering a 6.2 over a EB when I trade up in the next month or so...

DirtDawg

To clarify, yes - pic taken in garage on arrival with just ignition switch on to display avg MPG for roundtrip mileage. Certainly not record breaking but better than I expected based on many forum nay-sayers about FoMoCo's largest displacement F150 motor in this regard.

BTW, had occasion this Monday for another day trip - this time opposite direction from home base at 5k' to prox 3300' via more significant up/down grades with > 6500' at peak for prox 150 miles roundtrip. Results? A bit lower at 17.2 mpg on same "zeroed out basis" which I still consider quite acceptable.

zx12-iowa

Yep and it it were a 5.0 or Eco it would have been 2-4 mpg higher... But not bad for a large older designed v8. ��

DavidKR

18.5 is the best I've seen out of my 2014 Ecoboost with 3.73's at sea level.

AK49FordTruck

So far i have seen 17 MPG out of my 4x4 6.2/3.73 truck on the highway and i'm very happy with that! Actually i'm ecstatic with the 12/16 rating I've been able to meet/beat in the last 3k miles I've had the truck. Considering my other trucks get 10 mpg or less 12 mpg makes me dance haha not that i really give a crap about MPG anyhow.

Truckin

iTrader: (4)

Nice... & wow..LOW miles!

Wannafbody

I've gotten over 20 with my EB on the PA turnpike, kinda hilly on the western side of the state.