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2008 Ford Super Duty

355 messages,  Last post on Nov 13, 2009 at 9:21 AM

You are in the Ford F-Series Forum. Your Host is kcram

What is this discussion about? Ford F-250 Super Duty, Ford F-350 Super Duty, Truck


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#198 of 355
Re: 6.4 diesel or V-10 ? [fordz1] by mschmal
Feb 23, 2008 (7:49 am)
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Replying to: fordz1 (Feb 22, 2008 7:11 pm)

Winer Diesel will give you lower gas milage than summer diesel
#199 of 355
I want my MPG by optprime
Feb 25, 2008 (5:23 pm)
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With what seems to be the topic of discussion ( MPG ) I have 2008 F-250 crewcab, 3.73 rear axle 4x4 and 4000 miles. Im getting 12 mpg mostly highway driving. Any ideas as to how I can get better?
#200 of 355
truck specs by bassassassin
Feb 25, 2008 (6:52 pm)
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i just bought a 2004 F250 6.0 i was wondering if there are any websites that could tell me the specs of my truck i.e. rear end torque rating HP anything. all help is appreciated
#201 of 355
Re: I want my MPG [optprime] by scarab36
Feb 25, 2008 (7:04 pm)
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Replying to: optprime (Feb 25, 2008 5:23 pm)

my 08 f-350 crew 3:73 auto SRW 12.2 -12.4 mpg. This is at almost 18,000 miles. Dealer has no answers, I've had a bad injector, also a piece in the throttle body had to be replaced after check engine light. My initial performance was awesome, at 6800 miles the dead stop, low end performance went south and they still can not tell me why. Once it gets rolling it does OK but I want it back the way it was. They tell me nothings wrong. So what happened???
#202 of 355
Re: I want my MPG [optprime] by bkuepaint
Feb 26, 2008 (5:11 am)
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Replying to: optprime (Feb 25, 2008 5:23 pm)

I have an 08 with 6000 miles and thats about what I'm getting. I tried the chip but there were to many problems with it. The onlt that a few of my buddies have tried is the AFE Air intake and they say they get aroung 14-15 mpg. But my buddies who work for Ford have told me out of all the things about this truck that they did like, the MPG's were the only thing they didnt like.
#203 of 355
Re: I want my MPG [scarab36] by albright
Feb 26, 2008 (5:30 am)
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Replying to: scarab36 (Feb 25, 2008 7:04 pm)

THE DEALER IS RE PROGRAMING THE COMPUTER EVERY TIME YOU TAKE IT BACK IN. MY 08 350 HAD GREAT POWER AND MPG WAS AROUND 14 WHEN I FIRST BOUGHT IT. THE DEALER RE PROGRAMED MY COMPUTER IT WENT DOWN TO 10.4 MPG AND NO POWER. I PUT IN A EDGE CHIP, I"M GETTING AROUND 13 MPG AND I HAVE A TON OF POWER. I HEAR DODGE AND CHEVY ARE BUT GETTING AROUND 16 MPG, IS THIS TRUE.
#204 of 355
6.4 mpg by dbweaver
Feb 28, 2008 (1:15 am)
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I have an 08 with 15,000 miles on it now. 13 mpg is mostly what I get. I have saw 15.9 at 65mph on a long road trip and 10.4 with a small load. I have 373s
#205 of 355
Re: I want my MPG [albright] by scarab36
Feb 29, 2008 (6:37 am)
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Replying to: albright (Feb 26, 2008 5:30 am)

I looked at the 08 dodge and chevy stuff over on Edmunds.com, looks like they are in the same boat (or worse) as far as mpg.
#206 of 355
Re: I want my MPG [scarab36] by fordguy7
Mar 03, 2008 (6:31 am)
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Replying to: scarab36 (Feb 29, 2008 6:37 am)

......and the bad thing is that it doesn't look like fuel prices are getting any better. I know there are diesel diehards out there who won't agree no matter what, but the V-10 gas engine is looking better than the diesel all the time. In Florida, diesel is $0.40 to $0.50 more per gallon than gas. The diesel engine upgrade is about $6K more than the V-10 gas engine. Maintentance (oil changes, etc.) are also more expensive with diesel. Combine those factors, that's quite a financial difference and payback period to go diesel. Then, when you consider the relative quiet, throttle response, and performance of the V-10, not to mention that it's been around for a while and presumably has been "debugged" (unlike the diesels), it seems like a no-brainer. Unless you need the extra towing capacity the diesel provides, I'm not sure why you would go that route.
#207 of 355
Re: I want my MPG [fordguy7] by jarmentrout
Mar 06, 2008 (10:14 pm)
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Replying to: fordguy7 (Mar 03, 2008 6:31 am)

I am a believer in the V10. I tried the 5.4L V-8 for a short period in the F-250 and quickly moved to the V10 when rebates and family pricing hit in 2005. I did not care for the 6.0L PS at the time, and seems to be a good decision for me. I can assure you fuel economy is not good with the V-10 either. I have a fairly rare 2005 F-250 Blue Harley which is a beautiful truck, but the mileage is about 10.5-11 in town and 12.5-13 on the highway depending on how much I put my foot in it. I tote 500-600 extra pounds everywhere I go. The 4.10 rear end (only one you can get with the V-10) does great until you pass 70...then the tach really starts to creep as one might expect. If you stay beween 55-65, it does great. The motor is smooth as silk and quiet for the most part and does pretty well towing, but the economy drops quickly as you approach 10K lbs. I have about 56K on the motor and had to replace the throttle body, battery, and alternator so far. I have been looking hard at the 2008's, but I don't like what I'm hearing considering the MSRP of the one I want is $56K. Darn thing better be perfect and drive itself! Doesn't sound as bad as the 6.0L PS, but still not good for that kind of money. The V-10 is clearly not as strong as a well tuned diesel, but it is still a $600 option vs. $6895 Given the ridiculous cost of diesel, and the limited improvements in fuel economy, maybe I'll hold out for the 2009 and see if things improve. Oh yeah, I have a AFE Cold Intake Kit and a Diablo Sport programmer and it helps performance abit, but not fuel economy despite vendor claims. Good luck!

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