04 5.4 3v lariate super cab
2.5" leveling kit
Flowmaster exhaust no cats
275/65/20 a/t (34x11x20)
Stock gearing
Diablo programmer 93 octane roush tune
MAC cold air intake

10.5 city/14 highway

 

04 Lariat 5.4 bedcover and synthtic oil everything stock getting 14.5 to 15 city and 17.5 to 18 highway depending on how I drive.

 

Those gears will help you out a ton, I have similar mods and after doing them my gas milage almost doubled.

 

2006 Supercrew 4x4 w/ 5.4L engine and 3.55 LS rear end. I get about 13 city and 15.5 hwy, but I'm in a colder climate.

 

97
5.4l
4x4
ext cab
3.55 gears (?)
3" BL
315/75/16 mtzs
16x10 steels
89 octane 10%E

+/- 10. sorry no computer

 

2007 F150 scab/8ft bed 4x4
5.4 V8
4.10 gears
265/70 R17 Tires
Edge Evo
Gotts mod + K&N Filter
Cherrybomb Glasspack
Usually get 14-15mpg during the summer for mixed driving, highest this summer was just over 16mpg.

Now for the good stuff, added a bed cover I made out of plywood and am now getting
~15mpg city and saw 18.3mpg on a 150mi trip averaging 60mph.