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My '99 gets 17 but I doubt with all those mods you are going to see much, if any MPG improvement.
'99 Ford F-150 regular cab longbed XLT 4x4 with 5.4L V8 and 4x4 Off-Road Package
Support USA manufacturing!!!
Earth first. We'll worry about logging the other planets later.
$13.36 X 24 (I'll take off two fills just for "oh **** I have no money" weeks) = $320.64
So I'd save $320 a year.
Thus, if I find my upgrades for a good price, it'd take me 3 years to have them pay for themselves. And in my situation...I'll have the truck for a few years more than the 3 if you catch my drift. haha. I'm gonna drive the bad boy into the grave.
Just my thoughts though......................
And no the upgrades aren't just for economy. They're to get everything out of the truck that I can. I hate to drive a vehicle that has great potential laying beneath that stock paper air filter. Just my $.02
With the mods you are describing it will take more like 5 years IF you get 3 mpg. I have those mods and got 2. If you are doing the mods for the power then WTG. If you are doing it for the fuel economy.. don't spend the money.
SCT Tuner - 400.00
Jaws Racing Tunes - 150.00
Beating the wifes new GM truck - Priceless http://www.jawsracing.net/
Get a tuner from SCT and pickup a couple of mpg. You can monitor tour driving habits also. I've got a vacuum guage mounted on the dash to help me.
2002 5.4L 4wd F-150 FX4
4.88 gears, trans shift kit, 4 link/triple adj coilovers are installed
Hawk/Performance Friction pads w/EBC rotors and stainless steel hoses. LiveWireIS tuned by myself w/SCT Pro Racer Package. and now for my next trick...twin turbos piece by piece.