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Old 01-29-2016, 12:27 PM   #11
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GM specs for my truck listed below which is a fully loaded LT EXT cab 4x4 model


Silverado 1500 offers a comprehensive array of features that make it an excellent choice for towing and hauling, including:
  • StabiliTrak with trailer sway control and hill-start assist
  • Tow-haul mode for automatic transmissions
  • The new-for-2013 powertrain grade braking (both in and out of tow-haul mode)
  • Available Integrated trailer brake controller
  • Available max trailering package (10,700-pound / 4,853 kg maximum trailer weight rating)
  • Available rear vision camera.
When equipped with the available max trailering package and the 6.2L V-8, the Silverado 1500 can tow up to 10,700 pounds (4,853 kg).


6.2L V-8 (L9H), with E85 FlexFuel capability, an aluminum block and variable valve timing, rated at 403 hp (300 kW) and 417 lb.-ft. of torque (565 Nm).


NHT Designed for maximum towing capacity; it includes monotube rear shocks, 17-inch wheels and off-road tires, and high-capacity rear springs.


I pull a 35 foot TT
Tongue weight 980 lbs
Dry TT weight 7200 lbs
GVWR 10200 lbs
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Old 01-29-2016, 12:45 PM   #12
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Actually I have not seen anyone else on this forum that has one of these trucks. If someone does let me know how you like it. I ordered this new specifically for towing but I wanted a half ton because most of the time I drive it I am not towing.
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Old 01-29-2016, 01:34 PM   #13
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2006 Ford F150 Super Cab, 4x4, 6.5 bed, 5.4L Triton engine, 4 speed automatic, 3.73 final drive gears.

GVWR: 7200 lbs.
FAWR: 3750 lbs
RAWR: 3850 lbs.
Tow Rating: 9300 lbs.
GCWR: 15,000 lbs.
Listed Payload: 1632 lbs. (per door sticker)

Trailer: Surveyor 263, 28.5 long, travel weight ~5500 lbs. with a ~700 lbs tongue weight travel ready.

Typical gross traveling truck weight is 6800-7100 lbs., depending on whether generator, bikes, and canoe (with rack) system is taken along with usual gear.
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Old 01-29-2016, 01:46 PM   #14
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Originally Posted by The Big Toe View Post
Get this....

My truck is the 145" WB with a 5.0L Coyote V8 and a 3:31 diff

The chart sez I can tow 8100 lbs.

http://www.ford.com/resources/ford/g...rv&tt_f150.pdf

That's a load, but not the kind of load you're thinking of.

If I go to a 3:55 RE, it says I can pull 9,500. Say what? All that more for just a little increases in differential?

Okay, now get this -- In an EcoBoost with the same configuration, 3:31 axle, etc, it sez you can pull 9,500 lbs.

Hokay...... The EcoBoost is a strong engine but it isn't that much (if any) stronger than a Coyote V8...... BUT, if you go to a 3:55 differential, it only increases your towing from 9500 to 9800.

Something ain't right. It makes no sense. Everything else is identical as far as I can tell.

Same frame, same 9-3/4 inch rear end... Unless Ford was putting some 8.8 rears on the 2013....?? But I have the 9-3/4 on mine.

And Ford ain't like some of the others -- They don't make 100s of combinations. They usually just make one frame, one transmission, a handful of engines.

It's their 'modular' approach designed to keep costs down.

What I think is that a lot of these towing guides are just that -- Guides. And that they just kinda guessed at some of them
Gear ratio will always play a much larger role in the towing capacity of a naturally aspirated engine versus a forced induction. The torque curve comes on at much lower RPM with the EB than the 5.0 meaning less torque multiplication is needed from gear reduction. And, yes, the EB is significantly more powerful than the 5.0 at typical towing RPM's.
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Old 01-29-2016, 01:54 PM   #15
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Old 01-29-2016, 02:08 PM   #16
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Quote:
Originally Posted by dustman_stx View Post
Gear ratio will always play a much larger role in the towing capacity of a naturally aspirated engine versus a forced induction. The torque curve comes on at much lower RPM with the EB than the 5.0 meaning less torque multiplication is needed from gear reduction. And, yes, the EB is significantly more powerful than the 5.0 at typical towing RPM's.
If you're not familiar with the Coyote V8, I can't say I blame you; what with all the (well-deserved) hoopla over the EcoBoost.

But the 5.0 is no slouch.

The Eco doesn't catch the 5.0 until 2,800 RPM and the 5.0 still makes 300 lb-ft of (dyno) torque at 3,500 RPM, which, for a DOHC Engine that RPM is nothing. Nothing.

For a pushrod Engine? Yeah, that's huffin' & puffin'

Not so much for an OHC engine.

whatever

I'm just saying that those tow charts are not what they appear. They really want you to spend the extra bucks on doo-dads you don't need

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Old 01-29-2016, 02:20 PM   #17
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Your chart is completely bogus. Well documented that dyno'ing the EB is very difficult because of the twin turbo setup. Look at the rating above; 420ft. lbs at 2500, whereas your chart shows just over 200 ft. lbs at 2500. I know the thought of a V6 being a better towing machine than a V8 is difficult- I was a naysayer originally, too and a die hard V8 guy. But the simple fact of the matter is that the EB is a MUCH better engine for towing. It hums along effortlessly when V8's would be screaming and downshifting. The Coyote engine does have benefits over the EB, but towing capability just isn't one of them.

Edit: What we really need is for someone to hook up an 8K TT to an EB truck and set the cruise at 65 down a road with moderate ups and downs. Then hook the same rig to ANY NA V8 engine. Compare the downshifts required and the RPM's needed to pull hills. You'll find that the EB produces power MUCH lower and requires fewer and less aggressive downshifts. If someone takes this challenge, make sure to get both to full operating temp for the filming as it makes a huge difference in my experience with a forced induction engine.
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Old 01-29-2016, 02:20 PM   #18
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2014 F150 Super Cab 4X4 8' Box (163" wheel base ) 3.5L EB w/6speed trans & 3.73 gear.
GVWR 7700
FAWR 4050
RAWR 4050
GCWR 17,100
Payload 1780

Trailer GVWR 7574
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Old 01-29-2016, 02:38 PM   #19
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2015 Ford F150 2.7 ecoboost

Front GAWR 3450#
Rear GAWR 3800#
GVWR 6900#
GCWR 13,300#
Max Tow weight 8000#
3.73 rear end
Payload 1531#
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Old 01-29-2016, 02:41 PM   #20
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Quote:
Originally Posted by dustman_stx View Post
Your chart is completely bogus. Well documented that dyno'ing the EB is very difficult because of the twin turbo setup. Look at the rating above; 420ft. lbs at 2500, whereas your chart shows just over 200 ft. lbs at 2500. I know the thought of a V6 being a better towing machine than a V8 is difficult- I was a naysayer originally, too and a die hard V8 guy. But the simple fact of the matter is that the EB is a MUCH better engine for towing. It hums along effortlessly when V8's would be screaming and downshifting. The Coyote engine does have benefits over the EB, but towing capability just isn't one of them.
K&N Engineering says you're wrong on the Torque numbers.

And they have a Dyno.
What We're Testing This Week: 2011 Ford F-150 EcoBoost 3.5-liter V-6 - PickupTrucks.com News

The Coyote V8 is making 88% of its maximum torque at 2,250 RPM while the Eco is struggling to make enough to run the A/C. That ain't half bad.

The Eco blows by it at around 2,800 RPM Torque-wise (making 80% of its max torque) but that's to be expected.

I'm not overly impressed by DynoJet but the numbers, run by an independent and disinterested party are hard to argue with.

Manufacturers been known to sell some Snake Oil, too.

Like on the Fuel Economy deal. The Coyote gets MUCH better Fuel Economy than the Eco. Not even close. Anybody that owns one will tell you.

I get 17 around town and an honest 23 on the Highway. If I stay out its @$$. The Eco can't touch that. In fact, that's the #1 complaint against them. Their fuel economy

Is the Eco a better engine? I'm gonna say -- Yes. Newer, hi-tech, the wave of the future.

But the Coyote ain't nothing to sneeze at. Not knocking the EcoBoost. No way. Good motor. Just sayin'
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