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Old 12-08-2010, 06:27 PM   #15
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I have a 2011 F450 dual cab long bed 4x4 with a topper at work...
13.9 on the highway - not towing and running +5 on the speed limit. Kinda glad I got a 50 gallon aux bed fuel tank! Hoping the MPG jumps up when it breaks in...

It does have so much power that I can't imagine anything giving it a hard time towing.
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Old 12-08-2010, 06:36 PM   #16
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John, I've been following the 6.7L diesel related forums very closely for the last 6 months, while I inched my way up to pulling the trigger to buy it. There are a few really good long threads on that transmission issue and from what I saw it was rough shifting from the transmission control module. It usually occurred while the truck was empty and driven very slowly with the throttle being feathered. The TCM is basically trying to learn when to shift based on how it's being driven. The new computer code released in the last few weeks is smarter.

The one thread has an actual ford engineer answering questions & asked that anyone seeing the issue PM their VIN so he can track it and make sure you're notified when the update came out. Too bad Airstream doesn't do the same here... It looks like the latest 'puter flash has smoothed out the shifting and ford is saying the transmission was never causing any damage (except maybe to the drivers neck).

If a 2011 Super Duty owner pulls his dip stick out, if it has the thin blade style it's build date was several months back before a few other small improvements slipped into production. If you have a cable style dip stick (which slides much better in the tube) you have a recent build. In any case visiting any dealer can check to see if you need any 'puter flash upgrades...

Job 2 trucks are being built now, I didn't wait because the changes are not to fix problems, only changing a few options with the 5th prep package, etc, I'm not interested in, but more importantly my dealer is motivated to sell what he has before they show up.
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Old 12-08-2010, 06:39 PM   #17
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Newroswell: Pack up the babies and grab the old lady and the 8,000-lb Airstream, then we'll talk MPG. While you're runnin' down the road tryin' to loosen your load, your 23 MPG isn't legit. I'll be waitin' on the corner in Winslow, AZ, for your real MPG. Best wishes, John the Duramax Guy
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Old 12-08-2010, 06:48 PM   #18
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JB, you d'max guys really have your panties in a bunch lately. The new Airstream's having some options installed at the dealer, should weigh out close to 9,000 when we're loaded to go. I'm sure the MPG will be fine.
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Old 12-09-2010, 07:25 AM   #19
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Newroswell: Pack up the babies and grab the old lady and the 8,000-lb Airstream, then we'll talk MPG. While you're runnin' down the road tryin' to loosen your load, your 23 MPG isn't legit. I'll be waitin' on the corner in Winslow, AZ, for your real MPG. Best wishes, John the Duramax Guy

i am with you on the 23 mpg -- Just went through the 6.0 nightmare where we routinely changed the oil filters etc -- costs a mint to repair time after time -- Hopefully, the new diesel will pan out like it sounds like!
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Old 12-09-2010, 11:36 PM   #20
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i am with you on the 23 mpg -- Just went through the 6.0 nightmare where we routinely changed the oil filters etc -- costs a mint to repair time after time -- Hopefully, the new diesel will pan out like it sounds like!
What repairs? 170,370 miles/4,300-hrs with u-joint replacement the single repair. 120k on first tires/brakes. 24-27 hwy, solo. 15+ mpg with a 34' . . . whoops, it's a Ford thread.
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Old 12-10-2010, 12:00 AM   #21
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Red, lets hope that all 3, dodge/ford/gm, can get BACK to that kind of performance, Real Soon. It's best for all of us truck lovin 'merican's pulling aluminum trailers back and forth across the land of milk & honey.
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Old 12-12-2010, 09:32 AM   #22
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Red, lets hope that all 3, dodge/ford/gm, can get BACK to that kind of performance, Real Soon. It's best for all of us truck lovin 'merican's pulling aluminum trailers back and forth across the land of milk & honey.
That's an assumption widely held (or hoped for). But the sheer mechanical complexity (and purchase price) followed by too much HP/TQ leaves A/S owners without a viable new diesel truck choice. We can hope for beefed up half-ton diesels to fill the void. One can play the "weight police" numbers game ad infinitum, it seems, but these trucks have shot right past the actual needs of tow vehicles for 11k trailers (and lower).

They may be good for business owner purposes (or 5'ers), but for trailers originally designed for cars they've passed the point of affordability in any realistic sense (cost-per-mile of operation versus performance gains).

300HP/500TQ is more than enough to haul the biggest A/S. We may wish that vehicle brand is irrelevant (it isn't, obviously), but it is also beside the point. Too much complexity to do too little more in return. It's a tiny market segment, overall, and it's more about bragging rights than operational economy (like the Corvette). I may "want" one, but even with the heaviest A/S I do not "need" one. And what makes a new truck attractive -- safety features, etc -- can all be found on the gasser trucks.

Longer life means nothing for a crowd that trades by/before 150k, and the fuel "economy" is overmatched by the engine price premium & complexity.

It isn't just Ford. Except at present.
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Old 12-12-2010, 10:44 AM   #23
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The reality is, men can never have too much hp or torque. Just like real trucks don't have spark plugs.
But common sense says, yes the suspension on these trucks are stiff, so you need to compensate. I keep 65psi in the truck "E" tires. I dropped from a 1000lb hitch to a 600lb hitch. And, like Andy says, do not put "E" tires on the trailer unless it came from the factory that way. I have "C" range Maxxis on mine which I keep at 55psi.
All of that has my AS rolling along smooth and calm. I left a bottle of water on the counter on our last trip and after 400 miles, that thing was still there. And thats after going over the Grapevine on Calif 99 between LA and Fresno. That has to be one of the crappiest roads in the western US.
I generally pull at 63 mph. I get about 15, but I have 2 kayaks on a rack which doesn't help airflow.
I had a 6.0 F250 and traded it in on this truck and I couldn't be happier.
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Old 12-12-2010, 01:46 PM   #24
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We are new to the AS community. Bought our 25' Safari then bought the new F-250 with the 6.7L diesel. We put 500 miles on it before heading out to pick up the AS (250 miles more). We got nearly 20 mpg on the way down to New Jersey from Massachusetts. This truck is quieter than my Volvo XC-70 Cross Country Wagon.

We came home via the Berkshires and got 14 mpg

So far, very happy.
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Old 12-12-2010, 02:33 PM   #25
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Old 12-13-2010, 01:34 PM   #26
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We are new to the AS community. Bought our 25' Safari then bought the new F-250 with the 6.7L diesel. We put 500 miles on it before heading out to pick up the AS (250 miles more). We got nearly 20 mpg on the way down to New Jersey from Massachusetts. This truck is quieter than my Volvo XC-70 Cross Country Wagon.

We came home via the Berkshires and got 14 mpg

So far, very happy.
Funny thing I noticed too. The Oregon roads get chewed up by studded tires here and they get very noisy. My 2011 F250 Diesel has a almost silent engine compared to my previous 2001 7.3. But the surprising thing was the road noise was much quieter than wife's 2006 Volvo XC90.
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Old 12-13-2010, 05:09 PM   #27
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Funny thing I noticed too. The Oregon roads get chewed up by studded tires here and they get very noisy. My 2011 F250 Diesel has a almost silent engine compared to my previous 2001 7.3. But the surprising thing was the road noise was much quieter than wife's 2006 Volvo XC90.
I think the reason is that the Volvos have passenger compartment space directly over the rear wheel wells, while the F250 crew cab ends well before them. My dad always said station wagons are noisier than sedans. So, I guess the same applies to these pickups.

BTW. I bought a new HDTV LCD TV for the AS. We have the Wingard antenna. When I first plugged it in, it could not find any stations. Today I started the trouble shooting process advised in the manual. I removed the cable where it enters the antenna and confirmed that I had 12 volts on the cable. After re-attaching the cable the TV latched onto 17 digital channels.

The only explanation I can come up with is that there may have been some surface corrosion on the cable that prevented it from powering the amplifier.

The next step is to try the Wingman, but I have a 'cradle' that seems like it would interfere with the Wingman.
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Old 12-13-2010, 08:12 PM   #28
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Volvo had nothing to do with Ford's 6.7 Scorpion diesel; it was designed completely in-house, and Ford really did their homework to make up for the shortcomings of the 6.0 and the 6.4 to some extent. FWIW to the 6.0 owners, if you do a search on my screen name and something to the effect of "Attention 6.0 owners", I did a write-up of what to do to make the 6.0 more reliable; I have had ZERO problems with my 6.0, since completing my "upgrades" and consistently get 15-16MPG on the highway with a 1-ton dually that has a 1400lb hauler bed, a 400lb front bumper and it's a 4x4. For those who live in areas with emissions, you're outta luck, unless they only do a visual inspection; there are ways to fool the inspector into thinking that everything is still there and funtional .

I do wish I had the money to buy a 6.7, but the King Ranch is just way too damn expensive.
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