To all,
I have a 1999 F-250 Superduty with the 5.4 V8 and my gas mileage is around 10 mpg. Anyone out there getting the same numbers?

Also, I was thinking about adding a supercharger in the near future. What will the the affects (pros or cons) be for towing and on gas mileage? Any feedback is appreciated. Thanks.


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1999 F-250 Superduty, 4x4, SuperCab, 5.4L

 

My husband has a 97 F350 w/the older V8engine in it. It gets absolutly the worst milage, he refuses to even check it. But on the bright side, no matter how baddly he abuses that truck, the engine always gets him there. Runs like a dream.
Since you've got the 5.4 engine, try posting your supercharger question in the engine section.

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2k F250 CC SWB 6 speed 4x2 Diesel XLT Super Duty, Woodland Green
Power Mirrors, 3.73 LS, Captains Chairs, ARE tonneau top, rear privacy glass
TT Pkg, Class IV hitch, sliding rear window, running boards, mud flaps
265/75/16 AS OWL tires, am/fm/cassette/cd, rechargable MagLite
Clarion APA 5240 amp, Memphis speakers:Components front, 5x7 rear, 10"sub
SuperChip, Stepshields, Ventshields on windows, rubber bed mat
rugged liner bedliner on tailgate, quick disconnect jumper cables
unaFORDable (decal on tailgate) Western Diesel Turbo Brake (whoa boy)
Finally gauges!!: Pyrometer & Boost on the A-Pillar mount

 

I'm getting around 10mpg in town.


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1997 4x4 Expedition- 4.6L, true dual exhaust w/glass-packs, K&N air filter, SuperChip, airbox mods, Edelbrock shocks, 285/75R16 BFG ATs, 2000 F150 "XLT" wheels, 4.10 gears, Auburn LS, Clarion In-dash CD player, Smitty Bilt push bars and nerf bars.

2000 4x4 F250 SD XLT SuperCab SWB- 6.8L, Offroad Pkg, Camper Pkg, 4.30LS, Tape & CD player, Remote Keyless Entry, Sliding back glass, tinted windows, 265/75R16 OWL tires, & Line-X.

NoMo's site

 

I only have about 4k on my 2001 4x4 manual crew shorty and have been getting just a hair under 12. Mind you this is with daily 10-15min warmups(I hate scraping frost) and quite a bit of running in 4x4. Before the snow hit I had a tank 1/2hwy and 1/2 city at about 13.5mpg.

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I get a consistently 15 mixed driving. 19 unloaded highway and 11-12 towing my 24 foot TT.

Your 4X4 is hurting your mileage and I wonder what rear end ratio you have. Mine is 3.73 which helps the mileage out. 4.10's would hurt you if you have them but they would help with towing so its a trade off I guess.

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2000 F-250 Super Duty, SuperCab XLT, Oxford white with medium grey cloth captains chairs, 5.4L Triton V8 (260 HP - 345 FP Torque version!), 4R100 4 Speed Automatic Transmission, 3.73, 4 wheel ABS, Deluxe Aluminum Wheels, Trailer Towing Package, Telescoping Trailer Towing Mirrors, Class IV Hitch, Reece load distribution system, Escort Sensor II Electronic Brake controller, Sure Stop towing skirt, "Westin" black powder coated step bars, Herculiner bed liner, ISSPRO Tranny Temp Guage, Excursion center console, Ford moulded mud gaurds, K&N Air and Oil filter, Amsoil XL7500 5W-30, Air filter minder, Perma Cool 8" (800 CFM) Tranny Cooler Fan (manualy switched), Deflect-a-Sheild Aluminum Dimond plate Tool Box.




[This message has been edited by cphilip (edited 01-08-2001).]

 

I didn't fill out my profile until after I posted the last message. I do have the 4.10 rear. I think i will see 14-15mpg highway in the summer. The 4.10 costs me, the crewcab costs me and the 4wd costs me. With it snowing every other day here, the hubs have been locked in for the last month and a half. So Im sure thats costing me as well. I didn't buy this for the fuel economy!

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2001 F-250SD crewcab shorty,5spd, manual 4x4, captains chairs, off road pkg, tow pkg, alum wheels, dark highland green. Added Westin step bars... So far.

 

You guys with the V-8 should have sprung for the bigger V-10! I'm doing better than some of you with the truck shown in my signature. I thought the V-8 would do better than that! I consistently get about 11 in the city and between 13 and 15 on the open highway, depending on how I drive and what I'm pulling.

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2000 Lariat F-250 4x4
Super Duty
Super Cab
Short Wheel Base
V-10
3.73LS
Auto

 

Originally posted by DepthCharge:
To all,
I have a 1999 F-250 Superduty with the 5.4 V8 and my gas mileage is around 10 mpg. Anyone out there getting the same numbers?

I have a 2000 F350 SD with the same 5.4 with 4.10's and on a trip I'm getting 16 mpg...


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www.extremetrucks.com
Taking it to the limits and beyond!




[This message has been edited by ETDesign (edited 02-26-2001).]

 

I believe if you add a supercharger and tow with your truck your MPG will start with a decimal point.

 

To all,
Since my original post, I have been tracking my mileage more accurately. It's a little better, however nothing to brag about.

Date: Miles Gallons MPG
01/09/01 293 21.799 13.44
01/25/01 264 19.132 13.79
01/30/01 242 20.767 11.65
02/05/01 260 21.408 12.15
02/09/01 274 21.692 12.63
02/14/01 261 18.335 14.24
02/18/01 202 20.56 9.82
02/22/01 247 20.291 12.17
02/28/01 282 20.902 13.49