08 F-350 6.4L Diesel

 
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Old 03-04-2008, 07:13 PM   #1
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08 F-350 6.4L Diesel


anybody else getting ridiculously poor mileage out of their 6.4L? I'm not complaining about the comfort or the towing capacity, but this mileage is sub-par...9.8 mpg? Keep in mind, this truck is fitted with a tool cap, and typically carries around about 1000 lbs of gear. the ladder rack is aluminum, but beefy. anybody else experiencing mileage like this?
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Old 03-04-2008, 07:54 PM   #2
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Re: 08 F-350 6.4L Diesel


I talked to a guy today who has a new F-550. He is getting about 12 empty, and 7 towing. I get 13 with my 1991 F350 7.3, and continue to find no compelling reason to buy a new one.

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Old 03-04-2008, 08:07 PM   #3
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Re: 08 F-350 6.4L Diesel


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I talked to a guy today who has a new F-550. He is getting about 12 empty, and 7 towing. I get 13 with my 1991 F350 7.3, and continue to find no compelling reason to buy a new one.
The 7.3 is what we had before the 6.4. that was a great truck, but it was coming apart at the seams. all kinds of power, but the chassis was just tired. should have gone with the Dodge maybe.
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Old 03-04-2008, 10:07 PM   #4
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Re: 08 F-350 6.4L Diesel


Dodge 3500 gets 15 empty and 12 loaded
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Old 03-04-2008, 10:13 PM   #5
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Re: 08 F-350 6.4L Diesel


You can thank the EPA. The new emissions restrictions put forth along with the new ultra low sulfur diesel is why your mileage has taken a hit. I believe the DPF and regen cycle (frequency) are the 2 big mileage hogs. But hey, at least diesel is almost $4.00 per gallon
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Old 03-14-2008, 11:22 PM   #6
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Re: 08 F-350 6.4L Diesel


Angus is right.

What bothers me is that all fuel now has to be ULSD 15 but less than 5% of all diesel vehicles benefit from it. As a matter fact since they (EPA) took so much out of the diesel fuel it now lacks lubricity that diesel motors need.

Add in the fact that diesel fuel averages 80 cents per gallon more than 87 octane gasoline.

Got three 7.3's from 99.5-00 but sort of now wish one had a gas motor so it wouldn't hurt so bad at fill up. The SRW gets 13-15 mpg, the DRW gets 10-12 mpg and the SUV gets 15-19 mpg.

Will never own a 6.0 Powerstroke and due to the poor fuel mileage of the 6.4 gonna pass for now too. It would be a nice write off for business expense but it would be like step back.
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Old 03-15-2008, 04:50 AM   #7
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Re: 08 F-350 6.4L Diesel


X3 on the fuel, you have to remember we are running the winter blend right now. My milage drops several miles to the gallon just from the winter blend. Right now my D-max is getting 14-17 empty and 10-12 towing my trailer. These are not bad figures considering all the idle time for warm-ups, it has dropped down to 9 but that was plowing driveways too. I put an exhaust and a tuner on mine which helps if you stay out of the throttle.
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Old 01-30-2009, 01:34 AM   #8
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Re: 08 F-350 6.4L Diesel


Bought my F250 about a year ago! Don't feel alone! Mielage is very poor! If im lucky about 11 MPG average with just my ladder racks! God forbid I have to tow anything! Heard it has some to do with the exaust restrictions on all the new diesel truck but still looking into how to improve it! Any suggestions feel free to fill me in!
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Old 02-02-2009, 07:00 PM   #9
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Re: 08 F-350 6.4L Diesel


find someone locally that does sct tuning they have a program to turn the dpf off and a straight pipe to remove it that will help
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Old 02-02-2009, 08:08 PM   #10
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Re: 08 F-350 6.4L Diesel


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find someone locally that does sct tuning they have a program to turn the dpf off and a straight pipe to remove it that will help
yeah my friend did that to his truck, it does help... he has like 550hp
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Old 02-02-2009, 08:26 PM   #11
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Re: 08 F-350 6.4L Diesel


I spoke to a friend of mine who has an 08 CCLB 4X4 with the new 6.4 and he too complains of poor milage. He has had wiring issues in the drivers door that somehow would blow the fuse for the lift pump and now it is at the dealer for 2 new injectors.
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Old 02-02-2009, 08:35 PM   #12
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Re: 08 F-350 6.4L Diesel


My 2006 6.0 has been in the shop for three months... damn heads
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Old 02-03-2009, 10:27 PM   #13
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Re: 08 F-350 6.4L Diesel


the guy that works for my dad has an 05 6.0L that is probably in the shop more than my dad's 88 E350 7.3, which is practically falling apart and at the end of it's life. The 05 is still under warranty, so at least the repairs aren't costing him anything, but he doesn't have a truck half the time. Last I heard, the truck was in the shop for a new computer, and they found coolant in the exhaust, so that opens up all kinds of possibilities.
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Old 02-06-2009, 07:13 AM   #14
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Re: 08 F-350 6.4L Diesel


This is why I went with a new Dodge instead of a Ford(been buying Fords since 1978), My Dodge 3500 4x4 is rigged with System One overhead racks & Delta extra large topsider toolboxes, totally loaded with ladders I average 16mpg, 12 towing my construction trailer(box), CTD diesel, auto,07 model year. My Ford mechanic told me to stay away from the new ford diesels.
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Old 02-10-2009, 03:22 AM   #15
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Re: 08 F-350 6.4L Diesel


Well, I had to take advantage of ford's employee plus pricing , along with $ 8,000 in customer cash . Found a new 08' F-450 King Ranch edition at a New Mexico ford dealer. The thing is loaded -pto,dual alternators,nav,moonroof,etc.,etc. !! Let me know what you guys think.
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08 F-350 6.4L Diesel-getattachment.aspx.jpgrichford450.jpg   08 F-350 6.4L Diesel-getattachment.aspx.jpg666.jpg   08 F-350 6.4L Diesel-getattachment.aspx.jpgkingranch5.jpg  

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Old 02-10-2009, 06:14 AM   #16
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Re: 08 F-350 6.4L Diesel


That is an awesome truck.

Too bad the fuel mileage will be horrible.

Care to share the bottom line pricing?
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Old 02-10-2009, 07:54 AM   #17
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Re: 08 F-350 6.4L Diesel


Sure.

M.S.R.P. $63,020.00
O.T.D. $51,261.00
= $ 11,760 off of m.s.r.p.


The extra options are
44B TORQSHIFT(TM) 5-SPD AUTO TRANS
THB 225/70R19.5G TRACTION
X8L 4.88 RATIO LIMITED SLIP AXLE NC NC
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58F NAVIGATION SYSTEM
AUDIOPHILE SYSTEM FOR NAV
17K KING RANCH 3640 00
16K .KING RANCH FLOOR MATS
435 .POWER SLIDING REAR WINDOW
60M .MEMORY GROUP
62M .ADJUSTABLE GAS/BRAKE PEDAL
S .DUAL CAPTN'S/RR BENCH LEATHER
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90H .HEATED SEATS
954 .LOWER ACCENT TWO-TONE PAINT
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14500# GVWR PACKAGE
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76R REVERSE VEHICLE AID SENSOR 245 00
85D UNIVERSAL GARAGE DOOR OPENER 125 00
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Old 02-10-2009, 09:08 AM   #18
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Re: 08 F-350 6.4L Diesel


That's a sweet looking truck...too bad it's a ford
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Old 02-10-2009, 05:22 PM   #19
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Re: 08 F-350 6.4L Diesel


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That's a sweet looking truck...too bad it's a ford
If ford slapped a cummins in that truck , I would be definatly go with the Ford. I love the way they look. Its a shame, a cryin shame. I love my cummins.
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Old 02-12-2009, 09:56 AM   #20
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Re: 08 F-350 6.4L Diesel


With a 6.4L engine, you can't really expect that great of mileage. Especially when towing anything, that drastically reduces mpg. It's a great truck though, nonetheless.

-Mark

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