[Tri-Shield LC2]

I had a crewcab 450 2wd with the 6.4 and it was the biggest piece of junk I have ever owned.. I could not get any better than 8mpg without pulling and put a catback, cai, gutted the dpf filter and it gave me 1mpg out of it.

I could not wait to get rid of it.. I will never buy another Ford in my life again.

That 6.4 diesel is junk.

 

[eurohazard]

What kind of gas mileage did it get while towing?

 

[MN12Fan]

Is an 8,000+ pound truck with a 6.4L turbodiesel V8 supposed to get good fuel economy?

 

[rhvfd10]

but 8 mpg??? 30000 lb fire engines get better mileage than that!

(of course those are pre-emissions engines...) I shudder to think what a new engine's mpg would be

 

[Extreme4x4]

I had a crewcab 450 2wd with the 6.4 and it was the biggest piece of junk I have ever owned.. I could not get any better than 8mpg without pulling and put a catback, cai, gutted the dpf filter and it gave me 1mpg out of it.

I could not wait to get rid of it.. I will never buy another Ford in my life again.

That 6.4 diesel is junk.

None of the other HD diesels get good mileage either.............. with all of the emissions garbage.

The new Cummins gets about 1-2mpg better than the Ford, and you can expect the emissions version of the Duramax to do about the same. The reason is, they are much lighter than the Fords.

Does GM and Dodge even make something comparable to a F450???

 

[Rumblebuffin]

Does GM and Dodge even make something comparable to a F450???

Dodge has the Ram 4500 and 5500, and GM has the bigger Kodiak and Topkick lineup. All those trucks most likely get low mileage because of their weight, but I did hear from Kodiak and Topkick Duramax owners claiming they got as high as 14 mpg on the hwy with an empty bed, but the average lingered around 10-12 mpg.

 

[theoldwizard]

None of the other HD diesels get good mileage either.............. with all of the emissions garbage.

Yep ! The particulate trap "regeneration" cycle wastes quite a bit of fuel. Hopefully Ford, GM and Chrysler will figure out how to get some of that back in the next few years.

The 7.3L was probably the best PowerStroke Ford ever had.

 

[ausrutherford]

Its a SD truck, Its not a Fusion Hybrid!

 

[460ford]

So you gutted the DPF filter? You would need a tuner also if you were going to do that the correct way and also it is a federal offense for removing the DPF. The 6.4 seems to need a good break in period to start climbing in MPG, My freind has an 08 that he bought when they first came out and coiuld only muster 10 at the most for the first couple thousand but it started to climb and eventually he removed the DPF and got a Tuner and can now get 22 MPG on the highway with it if he is taking it easy on it ( Not easy to do with all the power it has lol).

 

[Tri-Shield LC2]

What kind of gas mileage did it get while towing?

About 6...

 

[Tri-Shield LC2]

So you gutted the DPF filter? You would need a tuner also if you were going to do that the correct way and also it is a federal offense for removing the DPF. The 6.4 seems to need a good break in period to start climbing in MPG, My freind has an 08 that he bought when they first came out and coiuld only muster 10 at the most for the first couple thousand but it started to climb and eventually he removed the DPF and got a Tuner and can now get 22 MPG on the highway with it if he is taking it easy on it ( Not easy to do with all the power it has lol).

I did of all that.. it had over 20,000 miles on it when I dumped it.. had enough mileage to get better.. it never did.

I never said I removed it, just the gutted the material inside.. ran better without it.

 

[XCR440SP]

I love hearing all the guys (and there are lots) who bought F-450's complain about fuel economy. Most only realy need an F-250, but want the cool factor of the F-450 (mines bigger than yours) and then can't understand why it gets bad fuel economy. Lets see, 4.30 gears with a diesel and a 5 speed transmission, what else would it do? All the new diesels are down on fuel economy, Heck compare a 2009 Jetta (EPA 30 City, 41 Highway) to a 1985 Escort Diesel (36 City, 46 Highway under new EPA standards, 43/52 on original window sticker), but most are going from 3/4 or 1 ton and moving up. Most of the old trucks have 3.55 or 3.73 gears and are built before the Ultra low sulpher diesel emisions change that hurt fuel ecomomy on all diesels. I haven't been around any Dodges, but I can verify (by their owners complaints) that the mid 07 MY Duramax gets the same fuel economy as the 6.4L does.

 

[Tri-Shield LC2]

I love hearing all the guys (and there are lots) who bought F-450's complain about fuel economy. Most only realy need an F-250, but want the cool factor of the F-450 (mines bigger than yours) and then can't understand why it gets bad fuel economy. Lets see, 4.30 gears with a diesel and a 5 speed transmission, what else would it do? All the new diesels are down on fuel economy, Heck compare a 2009 Jetta (EPA 30 City, 41 Highway) to a 1985 Escort Diesel (36 City, 46 Highway under new EPA standards, 43/52 on original window sticker), but most are going from 3/4 or 1 ton and moving up. Most of the old trucks have 3.55 or 3.73 gears and are built before the Ultra low sulpher diesel emisions change that hurt fuel ecomomy on all diesels. I haven't been around any Dodges, but I can verify (by their owners complaints) that the mid 07 MY Duramax gets the same fuel economy as the 6.4L does.

Well first off I needed the 450 for work, and I love guy's like you making excuses for a pathetic engine like the 6.4.. no truck or car in 2008 should be getting 8mpg regardless of the size. I have a good buddy of mine who bought a new 250 and it gets 10mpg.. still a joke. I have had many cars and trucks over the years and that 450 was the worst. I have spoken with Dodge and Chevy owners and they ALL were getting better mileage then me.. they all had 1 ton crew cab trucks. If your Duramax is getting 8mpg.. you have a problem with it...

 

[Extreme4x4]

The Duramax should definitally be getting much better mileage than the 6.4L, as it does not have the latest, hideous, emissions equipment on it yet. They are getting that sometime in '09, I believe.

The brand new Cummins gets crap mileage also. You will not see many people talking about it yet, as the engine is too new.

Welcome to the world of emissions compliant, low sulfer diesel, truck engines. Someday, diesel emissions will not affect the engine much............... much like it is with gas engines today. Unfortunately, this tech, for diesels, is about 20-25 years behind the gassers.

If you want the better mileage, get the older diesels.

BTW, my husband drives diesel big trucks, and they are having alot of problems with the new emissions ones. They spend more time in the shop than driving.

 

[XCR440SP]

Well first off I needed the 450 for work, and I love guy's like you making excuses for a pathetic engine like the 6.4.. no truck or car in 2008 should be getting 8mpg regardless of the size. I have a good buddy of mine who bought a new 250 and it gets 10mpg.. still a joke. I have had many cars and trucks over the years and that 450 was the worst. I have spoken with Dodge and Chevy owners and they ALL were getting better mileage then me.. they all had 1 ton crew cab trucks. If your Duramax is getting 8mpg.. you have a problem with it...

Strange, I know of several Duramax owners with 2500's that would trade for their old trucks in a heartbeat due to the low fuel ecomomy (all tell me single digits normaly with highs of 12). These are single wheel trucks. You compare your mileage to Dodge and Chevy 1 ton trucks, but you don't have a 1 Ton, that would be an F-350 which would have 3.73 gearing and thereby better fuel economy.

The F-450's have been out for years in Cab/Chassis and have always gotten poor mileage due to the gearing. I know of one that runs around here and gets 7 MPG, but its got 4.30 gears and a flatbed full of wood planking. It also has a 7.3L Diesel, so I guess it should be doing 30 MPG.

 

[cyclone]

I can get 15 mpg on an empty bed, when towing I usually get 9 - 12 mpg.

 

[cyclone]

I had a crewcab 450 2wd with the 6.4 and it was the biggest piece of junk I have ever owned.. I could not get any better than 8mpg without pulling and put a catback, cai, gutted the dpf filter and it gave me 1mpg out of it.

I could not wait to get rid of it.. I will never buy another Ford in my life again.

That 6.4 diesel is junk.

what year was it?