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Old 11-08-2014, 11:12 AM   #11
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FYI '08 5.4's and up had a spark plug change that eliminated removal problems.
'09 and up got the 6spd trannys. '08 and older were 4spd.

My 08 I got 9-10 towing and 14.5-16 everyday driving.
Mine had the 3.73's.

As with most towing lower gearing always helps.
I found mine adequate towing a 6500lb TT.
I could maintain 60mph on most hills.
Its not a powerhouse, but it did the job.

Our older trailer was around 3500lbs and it did Great towing that!
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Old 11-08-2014, 11:25 AM   #12
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I want to say mine had a 3.56 tranny but cant recall maybe not
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Old 11-08-2014, 11:38 AM   #13
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I have a '99 Expedition 5.4 144,000 miles replaced manifold studs around 120,00. great truck! always got around 16-17 mpg. When I got a tuneup around 100,00 millage dropped to 15! go figure It didn't matter if city or hy. empty or towing my old Coleman popup ( about 3000 loaded with all gear and junk) still saw 15mpg, I've since replaced with a 2011 28BHS 5,500 empty. add another 800-1000 for food gear and junk. Near as I figure I get around 11mpg but haven't taken long trips yet. I plan on using this setup from WI to Yellowstone in 2015.

On another note I know of a guy that recently bought a 2014 F150 crew cab 5.4 says he gets 8.5-9 mpg towing close to 7,500 lbs
Anyway I don't care for Ford cars but trucks are a different story IMO. Great dependability!
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Old 11-08-2014, 12:14 PM   #14
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On another note I know of a guy that recently bought a 2014 F150 crew cab 5.4
Most likely the 5.0 if it's a 2014
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Old 11-08-2014, 12:39 PM   #15
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Most likely the 5.0 if it's a 2014
Maybe... could be 5.0 Although thought he said 5.4.
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Old 11-08-2014, 02:31 PM   #16
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'09 and up got the 6spd trannys. '08 and older were 4spd.
My 08 Expedition has the 6 speed tranny standard. I also have the optional 3.73 rear axle.
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Old 11-08-2014, 04:20 PM   #17
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I have a 5.4 in my 03 Expedition and it gets 18 mpg empty at the speed limit on the hwy, 15 mpg driving in the suburbs and 13 in the city. Towing is 9-10 towing about 5000lbs.

It's a long stroke engine and tows well, goes up the mountain passes at 2500 rpm without complaint. Not a lot of top end power compared to the Dodge and Chevy V8's though.

I really can't see buying one if you're driving lots of miles though. You'll spend a fortune on gas. I put 30K km on my car last year but only 5K km on the truck. No sense wasting gas or money.
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Old 11-08-2014, 06:16 PM   #18
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Anyone know why the 3.5 Ecoboost has such a high tow capacity compared to a 5.0 or 5.4?
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Old 11-08-2014, 07:08 PM   #19
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Anyone know why the 3.5 Ecoboost has such a high tow capacity compared to a 5.0 or 5.4?

Marketing. Payload is the real limiting factor in a half ton rather then engine choice.
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Old 11-08-2014, 10:02 PM   #20
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I have a 5.4 2005 120000. Had spark plugs done at 100000. They got them out fine. Couple of them give him trouble . I would change spark plugs by 100000 so they can get them out. Don't replace them with autolite plugs. Mine were and I was getting missfire under load (towing) plan on replacing cam phaser at 120000 miles at a cost of $2500 to $3200. I didn't like towing with mine. Trailer seemed to push me around. I do use an equalizer hitch. My truck is for sale now. Didn't like towing at all with it. Trailer wieght I would guess is 5000ibs. 9 mpg towing 15 unloaded. Yor trailer is lighter so the truck should pull it better. But remaber 120000 or then have to replace cam phasers. Good luck
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