Ford 6.0 Fuel Mileage - Vehicles - Contractor Talk

Ford 6.0 Fuel Mileage

 
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Old 05-14-2010, 04:36 PM   #1
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Ford 6.0 Fuel Mileage


I have a 2006 f350 with a 6.0 powerstroke with 64500 miles, what are other people getting fuel mileage wise. I'm only getting about 12 - 12.5 mpg not to inpressive. My old truck as a 1996 dodge 2500 5.9 cummins, i was getting 16.5-17 mpg. what major let down. Both trucks are/were loaded the same way.
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Old 05-14-2010, 07:21 PM   #2
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Re: Ford 6.0 Fuel Mileage


Mine is 2006 F350, crew cab, S/B, Auto, 61000 miles, lifted w/BIG tires.
14-16 in town. 18-21 on hwy.
What rear end do you have?

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Old 05-14-2010, 08:05 PM   #3
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Re: Ford 6.0 Fuel Mileage


Quote:
Originally Posted by griz View Post
Mine is 2006 F350, crew cab, S/B, Auto, 61000 miles, lifted w/BIG tires.
14-16 in town. 18-21 on hwy.
What rear end do you have?
You have pics? I'm a sucker for lifted trucks.

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Old 05-15-2010, 03:14 AM   #4
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Re: Ford 6.0 Fuel Mileage


2006 F250 6.0 - getting 15/16 around town. Being that it is a 4wd CrewCab I'm satisfied.
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Old 05-15-2010, 03:17 AM   #5
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Re: Ford 6.0 Fuel Mileage


2006 F350 CC LB DRW

I get 19-22 HWY & 15-17 CITY

I had 2 bad injectors over the winter. My power & mileage went to hell at that time.
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Old 05-18-2010, 08:22 PM   #6
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Re: Ford 6.0 Fuel Mileage


2004 F350 SRW KingRanch
16-18mpg per tank. Mix of highway and city, a fair bit of idle time and I like to get on'r once and a while.
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Old 05-19-2010, 01:14 AM   #7
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Re: Ford 6.0 Fuel Mileage


You need to look into a "Gear vendor" Transmission for your truck. You can find them oin the web.
I was going to buy a Ford V-10 for cheap with low miles (Cause people found out that gas milage really does matter). Then I was going to put a gear vendor unit behind the transmission for the gas milage to bring it up to something reasonable. You can call them and speak to a rep direct and tell them what you have and they will let you know if it will work for you.
The V-10 thing was not recomended by Gear Vendor because of some computer timing/tuning issues.
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Old 05-20-2010, 06:47 AM   #8
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Re: Ford 6.0 Fuel Mileage


First off take it to a shop/dealer and have the balance rates of the injectors looked at and make sure the EGR is working properly. The 6.0's were noted for these being an issue. If everything is good then buy a cheap tuner like superchips and put a mild tune "tow tune" and the fuel milage should come up some. The Cummins is by far the best diesel for fuel milage and longevity but the Duramax's and Powerstrokes do fine also. What size tires are you running? If your running the highway all the time a taller tire will lower your rpm. With a diesel the magic number for best fuel milage seems to be 1900 rpm and under, you start revving over 2k rpm and they begin sucking fuel. My RCLB D-Max gets 16-19mpg around town, my ECSB D-Max with a tuner has gotten a best of 22mpg on a trip.
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Old 05-20-2010, 08:22 AM   #9
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Re: Ford 6.0 Fuel Mileage


I wouldn't recommend adding tunes to a stock '04 Ford diesel.

While the 7.3 motor was under built from the factory, you could squeeze a lot more performance out of it. The 6.0 was almost over built. Without modifications, adding HP by altering the CPU can blow the heads off the motor, literally. In all their infinite wisdom, International decided to only use 6 head bolts per cylinder.

If you want to chip a 6.0 Ford diesel, it is highly recommended that you put head studs in first. Also a 4" aftermarket exhaust and a pyrometer should be on the upgrade list too.

But as woodchuck mentioned, have the injectors tested. Also, on an older 6.0 you could have a gummed up EGR or turbo. The crappy EGR system can easily get carbon build-up as can the turbo. With the VVT turbo, you could have 1 or more vanes sticking. You should be able to get around 22 PSI of boost if it's working correctly.
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Old 05-20-2010, 08:53 AM   #10
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Re: Ford 6.0 Fuel Mileage


6 head bolts per cylinder is a lot Angus.
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Old 05-20-2010, 08:56 AM   #11
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Re: Ford 6.0 Fuel Mileage


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6 head bolts per cylinder is a lot Angus.
Not for bolts on a diesel engine. Studs, are a different story.
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Old 05-20-2010, 08:59 AM   #12
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Re: Ford 6.0 Fuel Mileage


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Originally Posted by angus242 View Post
Not for bolts on a diesel engine. Studs, are a different story.
Per cylinder, or per cylinder head?
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Old 05-20-2010, 09:07 AM   #13
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Re: Ford 6.0 Fuel Mileage


My bad. I meant 4 per cylinder for the 6.0. 7.3 had 6.
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Old 05-20-2010, 04:44 PM   #14
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Re: Ford 6.0 Fuel Mileage


Keep your RPM's under 2000 if you want good fuel milage. Also change fuel filter and run some fuel additive once in a while to keep the system clean. Biodiesel also is good for cleaning the fuel system once in a while.

I avg 16 with two 7.3's. I think you can do better than 12.

Try to find a shop that knows these IH motors. The powerstroke has a lot of little quirks and things that you can tinker with if your into that sort of thing. Even a lot of Ford shops don't deal with the diesel motor that much so you got to find one that has some experience.

Out here in the boondocks diesels are popular with the farmers and kids, so the shops see quite a bit of them and our ford dealer has one guy that is just about exclusive on the diesels. (town population less than 1,000)

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