Have less the 300 miles on my 01 XLT Xcab 4x4 with the 5.4L, 3.55rear, and 17" tires. Getting 13.0 MPG. Will this get any better as the engine wears in?

 

Yes. But dont expect more than 18 on the highway/13 city. You could get lucky though.

 

Most likely yes. I get around 13.5-15 in town and around 17-18 on the road.

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2000 F-150SC 5.4L 4X4ORP
DEEP WEDGEWOOD BLUE
AUTO, 3.55LS, TOW PKG.
RAVIN Z-55 DUAL EXHAUST
CAPTAIN'S CHAIRS,
REMOTE KEYLESS ENTRY
REAR SLIDER
PREMIUM SOUND w/ CD
RHINO LINER
STATE ISSUED UNIV.OF GA. PLATE.
UGA RECEIVER COVER
UGA LICENSE PLATE(FRONT)

WISH LIST:
AIRAID FIPK
SUPERCHIP
TINTED WINDOWS
HOOD DEFLECTOR(PAINTED)

A NATIONAL TITLE FOR UGA(FOOTBALL)
Then maybe when I get more money:

3" BODY LIFT KIT
BIGGER TIRES

etc., etc., etc.

 

I got 20 mpg highway for the first time today in my truck I done about a 500 mile round trip road trip today and when I figured my mileage I was amazed that I got that good of mileage as I normaly get 18 highway and I only got the 4.6 and most of my driving today was 65 to 70 mph.

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2000 F150 XLT Reg. cab
4.6 Triton Engine
4x2 3.55 rear end gear
sliding rear window
automatic keyless entry
white styleside short box

 

13, 14, 15, whatever. Even if you get better mileage, you won't be happy. Remember, it's a full-size 5.4, not a 1.8 honda civic. I used to freak-out about my mileage, but then it occured to me that the benefits of my truck far outweigh the small difference in gas that I squable over between 13-15 mpg. Try not to think about it too much and enjoy it while you still can afford the gas ('cuz it's gonna keep going up)DOH!

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Black 98 F150-XL, 2WD 4.6L 5spd., RegCab,
Short WB, Windsor Triton (slapless to date),
3.08 rear, Air, Rear Slider, Triton V8 Badges,
Duraliner Boxliner, K&N, Ziebart, Castrol Syntec,
HAWK Plus Bedcap, profile+ wrap-around bug deflector,
Blazer Neon-Blue Projector fog lights, custom look'n door cracks
Tinting: #4 RearCab & Bedcap Windows, #2 Cabside Windows

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[This message has been edited by defacto (edited 04-15-2001).]