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  #71  
Old 12-23-2008, 12:24 AM
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TXNSLighting TXNSLighting is offline
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Location: DFW, TX
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Wow i just noticed how the original poster spelled desiel... Its diesel big guy.
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  #72  
Old 12-23-2008, 02:29 AM
GravelyNut GravelyNut is offline
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Join Date: Nov 2007
Location: Wet part of FL
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Quote:
Originally Posted by WH401 View Post
You honestly think an 8.1 is going to get 12 mpg?, your even more of a moron if you think it'll do that loaded.
Can't be a moron if I have fuel tickets to prove it. Empty to over 16K GCW it gets that on a regular basis. And those are scale weights. Used to get better (~14) till they started adding the ethanol to the gasoline. I ordered the truck with 4.10 gears in the rear knowing it would hurt the MPG empty but when loaded it wouldn't drop much in the hills. It pulls 2800 RPM in 4th gear at 65 MPH upgrade loaded. Right near where it hits peak torque.
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  #73  
Old 12-23-2008, 02:48 AM
GravelyNut GravelyNut is offline
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Location: Wet part of FL
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Quote:
Originally Posted by TXNSLighting View Post
No 6.0 is rated at 20mpg...sorry. Youll have to prove that one.
I'd like to see that too. Friend of mine bought a 6.0 the same time I did and never got 20, even empty. Loaded, he gets the same as I do. His is SRW while mine is DRW. Ask people who have had or driven both and you'd find that the 6.0 and 8.1 both get the same MPG with equal loads. There are forums full of stories where people found this out. But the 8.1 isn't having to work itself as hard. It takes a certain amount of fuel to make a certain amount of HP, and with both vehicles having the same frontal area, you should get the same results if all else is equal.
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  #74  
Old 12-23-2008, 02:58 AM
GravelyNut GravelyNut is offline
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Location: Wet part of FL
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Quote:
Originally Posted by Jerry Lee View Post
so r u saying a race? or mpg war?
Up the hill. Diesel should win the MPG unless you got one of the new ones that suck fuel due to all the EPA garbage. I'll let you know when I'm heading north again, which may be next month if we get a break in the weather.
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  #75  
Old 12-23-2008, 09:07 AM
genesis215 genesis215 is offline
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Join Date: Apr 2008
Location: Russellville, AR
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I stand corrected. Thank you all! It is actually 16 MPG for a 6.0L 2500 2WD, 18 MPG for a 6.0L 1500 2WD (look it up on fuel economy). And all your info about bigger engines getting the same or more fuel economy seems very plausible. I heartily agree that older used trucks are the way to go. I personally would never buy new unless you have the cash in pocket for the entire purchase price.
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  #76  
Old 12-23-2008, 09:42 AM
topsites topsites is offline
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Location: Richmond Virginia
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Quote:
Originally Posted by davis45 View Post
My dad has a new f250 with the 5.4, we hooked up the 28ft gooseneck(empty) and his foot was through the floor.
That's because like yourself, he probably doesn't know how to drive trailered.
Unless he drives trailered every day of the year and has done so for the past 10 or 20 years...
But more likely he drives some Luxury cab fully rigged SUV with ALL the options,
which is really a disguised Cadillac, and he likes to think it's a work truck.
Since most people never drive trailered.

Last edited by topsites; 12-23-2008 at 09:52 AM.
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  #77  
Old 12-23-2008, 10:03 AM
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davis45 davis45 is offline
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Join Date: Oct 2007
Location: Central Illinois
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Quote:
Originally Posted by topsites View Post
That's because like yourself, he probably doesn't know how to drive trailered.
Unless he drives trailered every day of the year and has done so for the past 10 or 20 years...
But more likely he drives some Luxury cab fully rigged SUV with ALL the options,
which is really a disguised Cadillac, and he likes to think it's a work truck.
Since most people never drive trailered.

Haha, no bud, he has his CDL and a hazmat. Personal truck is a 2500hd gasser and work truck is the ford. Stop assuming things because you look like an idot when you do so. We've been haulin trailers for 10+ years, everything from a 12' open trailer, to 30ft enclosed, to deckover goosenecks.
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  #78  
Old 12-23-2008, 10:08 AM
dudley dudley is offline
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Join Date: Dec 2008
Location: claremore ok,
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Hey thanks for the spell check.I dont care what they say ur a good guy.
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  #79  
Old 12-23-2008, 12:23 PM
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Jerry Lee Jerry Lee is offline
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Join Date: Jan 2008
Location: Bixby, Oklahoma
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Quote:
Originally Posted by GravelyNut View Post
Up the hill. Diesel should win the MPG unless you got one of the new ones that suck fuel due to all the EPA garbage. I'll let you know when I'm heading north again, which may be next month if we get a break in the weather.
haha. true, true. one of my friends just got the 6.7 and i dont think he will ever get over 14mpg towing or not. but he does like the exhaust brake when haulin his horse trailer. ive driven the thing a couple of times it seamed to have plenty of power to me.
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  #80  
Old 12-23-2008, 12:29 PM
ryry278 ryry278 is offline
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Join Date: Aug 2008
Location: Clarksville tn
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Well like i said earlier my diesel sucks at gas but so much power especiall set on the crazy larry setting 250 extra HP brings u into the seat when you take off. Anyways just make your biodiesel thats what i am doing i knew i would not get excellent mpg but i wanted to get more power and also be able to make my fuel for almost nothing so the mpg could mean less to me
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