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2008 Ford Super Duty

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

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

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#45 of 355 my new f350 reg cab 4x4 v8 XLT by automite May 24, 2007 (7:33 am)
have about 200 miles on new truck. this is my 4th superduty [2003, 2005, 2006, 2008]. i buy them for pleasure use, not commercial use. this truck has many improvements over past models. take the sliding rear window. it know longer has the wide rubber gasket sealing the window. the glass seals like the front windshield, floating in its mount. the front fender liner now extends to cover the front steel bumper, now protecting it better from the road debris. lots of good changes. rides like a luxury car. still bad on mileage [10-12mpg]. congrats to FORD designers and engineers for a much improved model. love the truck.
#46 of 355 Re: 2008 Mileage Experience From Owners [buyer2008] by djw07 May 26, 2007 (4:57 am)
Replying to: buyer2008 (May 22, 2007 9:55 am) I've had my 08 F250 6.4 P/S for about 2 months. With 4000 miles, I'm averaging 14 mpg around town and 10.5 mpg towing a 27ft 7000# trailer. I/m it will improve as I put a few more miles on the truck. Replies to this message: buyer2008 (May 27, 2007 7:37 pm) altamont1 (May 29, 2007 6:48 am)
#47 of 355 Re: 2008 Mileage Experience From Owners [djw07] by buyer2008 May 27, 2007 (7:37 pm)
Replying to: djw07 (May 26, 2007 4:57 am) Thanks...this is more encouraging than some of the other reports I was reading! Planning on moving ahead with the 2008 Diesel Lariat order... Replies to this message: altamont1 (May 29, 2007 6:48 am)
#48 of 355 Re: 2008 Mileage Experience From Owners [buyer2008] by paasch May 29, 2007 (6:40 am)
Replying to: buyer2008 (May 22, 2007 9:55 am) I own a 2008 6.4 superduty. I am getting around 7-10 miles per gallon. If I drive off road it is around 7 mpg on the highway around 10 mpg totally empty. When my trip monitor says I have zero miles to empty, I can only put 20 gallons of fuel in. I must still have 15 gallons in the tank. I had a 2002 Dodge 2500 with the 5.9 diesel before. That truck would outpull and outhaul this new 2008 and still get 18-23 mpg loaded. I am very dissapointed with this truck. I also feel that the brakes are spungy when I try to stop fast. I will probably be driving another truck in 2 months. I would not buy a 2008 6.4 diesel. Replies to this message: f350arecrap (Jun 25, 2007 10:58 am) fishoregon (Jul 13, 2007 11:29 am) abp1 (Jul 28, 2007 11:06 pm) kdean2608 (Aug 06, 2007 3:46 am) and 1 more... ggist (Aug 18, 2007 8:42 pm)
#49 of 355 Re: 2008 Mileage Experience From Owners [buyer2008] by altamont1 May 29, 2007 (6:48 am)
Replying to: buyer2008 (May 27, 2007 7:37 pm) I think you are making a good choice. We looked at GM (no Dodges) and by accident looked at the Ford. We bought it as a tow vehicle but we like it so much we drive it everywhere. I am getting about 14 mpg highway city and as much as 20 on the road at 63 mph. Of course I am not towing anything. IF and I do mean IF I don't keep my foot out of the turbo, my mileage drops to about 8 or 9. But with diesel about 60 cents cheaper per gallon than regular my weight mileage is much better than my Suburban 454 at 10, 12 at the best. Ford got this one right (at least after 711 miles
#50 of 355 Please tell us what kind of Truck you have... by mschmal May 29, 2007 (11:17 am)
If you have a 6.4 Diesel. Tell us whether its an F-250, F-350 or F-450.   The 2008 Super Duty has a GVW range from 8,800 lbs for a short box F-250 SRW Reg Cab to 14,500 lbs for a F-450 DRW Crew Cab.   Rear Diff ratios can be 3.73, 4.10, 4.30, or 4.88 on the F-450.   You can't assume that because someone is getting 6 mpg in an F-450 with a 4.88 rear that you will also get that mpg in an F-250 with only 60% of the GVW and a 3.73 rear.   Mark Replies to this message: djw07 (May 30, 2007 3:51 am)
#51 of 355 Re: Please tell us what kind of Truck you have... [mschmal] by djw07 May 30, 2007 (3:51 am)
Replying to: mschmal (May 29, 2007 11:17 am) My 6.4 R/S is a 08 F250 4x4 crewcab shortbed with 3.73 rear gears. Now with 5000 miles on the truck ,Im getting 14mpg around town. The only highway trip was towing my 27ft 7000# travel trailer and averaged 10mpg.
#52 of 355 DYNO VIDEO -2008 Super Duty Power Stroke by fordmud Mar 08, 2007 (7:37 pm)
#53 of 355 DYNO VIDEO -2008 Super Duty Power Stroke by fordmud Feb 17, 2007 (8:53 am)
Hopefully this hasn't been posted yet. But here is a dyno video I came across of the 2008 Super Duty 6.4L Power Stroke Diesel.   It's at the bottom of this *Outlaw Power* Intake System page. http://www.outlawpower.com/productdetail.php?sc=1474 Replies to this message: haulin79 (Mar 08, 2007 7:37 pm)
#54 of 355 Re: DYNO VIDEO -2008 Super Duty Power Stroke [fordmud] by haulin79 Mar 08, 2007 (7:37 pm)
Replying to: fordmud (Feb 17, 2007 8:53 am) Power and torque look very nice. This engine seems quiet, a good thing. Let's just hope Ford can keep that production line moving.

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