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3.5 eco boost max tow vs super duty

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3.5 eco boost max tow vs super duty

Old 05-02-2019, 11:15 AM
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Default 3.5 eco boost max tow vs super duty

8 months ago I traded I n a 17í mega cab diesel because I down sized my boat and didnít need the 3/4 ton anymore (after 15 years of diesel pickups). I went with a 2018 2.7 eco boost f150 and really enjoy the performance and fuel mileage (27 on the highway). I recently sold my 20í boat and bought a 28í bluewave and have been pulling the boat with my f150. In the 4 weeks Iíve had the boat, Iíve traveled 1500 miles pulling the boat. The truck has plenty of power and does not hunt for gears with the two being so low, but the suspension is not there. It does not bottom out, but it is soft on the interstate. I weighed the boat, motor and trailer with full fuel yesterday and itís coming in at 8800 lbs. that said Iím looking st going to another truck, but really wanted to hold out until the 2020 super duties come out for the 10 speed trans (love the one in my f150).

The boat is with in spec for a max tow 3.5 eco boost, but trying to decide if I just go back to a 3/4 ton. I travel all interstate to and from work and have already put 22k miles on my f150 in the last 6 months (truck was in the body shop for 2 months a week after I got it). I obviously drive a lot and have really enjoyed the fuel economy of the 2.7 eco boost. I donít think I will go back with a diesel unless the 7.3 gas/10 speed combo is just terrible on fuel.

I have time before we see the 7.3 specs, but at this point that is what I am leaning towards if I go with a gas engine.

Is it worth going to a 3/4 for 9000 lbs? I imagine the 3.5 I had more than enough power because my 2.7 is unreal for such a small engine.
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Old 05-02-2019, 11:22 AM
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You could always just put airbags on your current truck. The 3.5 eco max tow would probably need airbags as well to prevent annoying purposing over bigger bumps.

If you switch trucks I'd go to the superduty, not enough difference to justify cost between the 2 different F-150's. But the 7.3 wont get anything close to ecoboost mileage when unloaded. I can pretty much promise you that.
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Old 05-02-2019, 11:30 AM
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Originally Posted by aj06bolt12r View Post
You could always just put airbags on your current truck. The 3.5 eco max tow would probably need airbags as well to prevent annoying purposing over bigger bumps.

Problem with adding bags on my current truck is it wonít raise the tow rating for insurance purposes.

If you switch trucks I'd go to the superduty, not enough difference to justify cost between the 2 different F-150's. But the 7.3 wont get anything close to ecoboost mileage when unloaded. I can pretty much promise you that.

I donít think the 7.3 will either, but I donít want 14-17 mpg either which I feel it may be. Our 6.2 fleet trucks get terrible mileage unloaded. I donít mind going back to diesel just donít like how complicated they have become. My 17í Cummins was nice and got 20-22 mpg unloaded, but the lag off idle was terrible. I felt like I was always playing frogger with that thing.

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Old 05-02-2019, 11:31 AM
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I would assume that the suspension between the F150's very similar, if not the same. Most likely they get the ''max tow'' rating via engine choice and gear ratio. So likely its still not gonna have the ass your looking for. I'm not sure how your driving situation looks exactly, but is it feasible for you to commute in a small car and get a nice 3/4 ton just for the boat? Or keep the f150 you have and buy a cheap 3/4 ton for pulling boat? You can pretty much do whatever you like to the truck, but thats still pushing it for regular hauling of that load with a half ton. EVERYTHING is more robust and better suited towards your application in a 3/4 ton.
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Old 05-02-2019, 11:33 AM
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Originally Posted by cp5899 View Post



I donít think the 7.3 will either, but I donít want 14-17 mpg either which I feel it may be. Our 6.2 fleet trucks get terrible mileage unloaded. I donít mind going back to diesel just donít like how complicated they have become. My 17í Cummins was nice and got 20-22 mpg unloaded, but the lag off idle was terrible. I felt like I was always playing frogger with that thing.

that is easily corrected with a tune, even if you live in an emissions control state, there are emissions intact tunes. I believe quite a few guys have even had good luck with the pedal commanders on them. You think a Cummins is bad about that, drive an LML duramax.
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Old 05-02-2019, 12:01 PM
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I have a F150 3.5 SCrew with max tow package. Been pulling a 6300 pound boat 1300 miles a few times. Love the truck and handles well
Big-difference between the 150 and HD. I love the fuel economy when not towing which is most of the time. compare the load specs of your current truck to the 3.5 with max tow, there is also a max payload option. I think you can get there with the 3.5 and correct options. Mine has a definite stiffer ride that buddy’s 2.7. Border line decision.
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Old 05-02-2019, 12:02 PM
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We have a few max tow trucks in our company fleet and they actually have an extra leaf or two compared to much truck. I think that is part of the max tow, but ultimately the truck is still light in comparison to the boat. My current truck has 3.73ís that combined with the 10 speed and low rpm tq from
the eco boost makes power a non issue.

A small commuter would work, but downsized from 5 vehicles last year to 3 and would like to keep it that way.

thanks for the comments. I will likely end up with a 3/4 ton, but not sure on which engine. I would like to think a gas option could work. Itís been nice not dealing with nasty diesel pumps and def.

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Old 05-02-2019, 12:07 PM
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Originally Posted by duke460 View Post
I have a F150 3.5 SCrew with max tow package. Been pulling a 6300 pound boat 1300 miles a few times. Love the truck and handles well
Big-difference between the 150 and HD. I love the fuel economy when not towing which is most of the time. compare the load specs of your current truck to the 3.5 with max tow, there is also a max payload option. I think you can get there with the 3.5 and correct options. Mine has a definite stiffer ride that buddyís 2.7. Border line decision.

I agree the decision is right on the line between the two. Iím going to take one of the new f150 work trucks home and pull the boat and see how much the added spring helps. I am with you on liking the unloaded fuel economy. I have never had a truck get this kind of economy with such a nice ride.
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Old 05-02-2019, 12:12 PM
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I have the Max-Tow on my 2013 Eco 150.
I tow a 9K pound fifth wheel regularly with not issue.

I will say, if your are running the tires low on pressure it makes a big difference. Towing my boat (about 7K) I never really noticed. Just having the tires rotated at oil change and I assume the local shop just put the standard 45lbs.........who knows. But the tires are 80lb tires.

I'm no tire specialist, but it was huge.
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Old 05-02-2019, 12:21 PM
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This is one of those situations that really makes me wish Ford made the Titan XD, and would stick the 3.5/10 speed in it.
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Old 05-02-2019, 12:32 PM
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If your GCWR is 16,300 or greater on a 3.5L eco 3.73 4x2 CrewCab, you will be just under 11K lb towing....You will have no issues...That engine is a beast!!!!
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Old 05-02-2019, 12:37 PM
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Iím certain the power is there with the 3.5 as my 2.7 doesnít struggle in the slightest bit running the speed limit on the interstate pulling the boat. I too wish they made a 3/4 ton with the 3.5 and 10 speed. I like the information I have read about the new 7.3 gas engine. Sounds like it will be extremely strong and the 10 speed is just awesome. Canít say enough about my current 10 speed and its smooth as silk.
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Old 05-02-2019, 12:39 PM
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Originally Posted by Wahooking View Post
If your GCWR is 16,300 or greater on a 3.5L eco 3.73 4x2 CrewCab, you will be just under 11K lb towing....You will have no issues...That engine is a beast!!!!

Yesterday I was close to 14k lbs, but didnít have my bags of gear I bring with me in the truck. Donít think it adds up to much though. 200 lbs at most I would guess.
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Old 05-02-2019, 12:51 PM
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I got a 2018 3.5 with the Max Tow package: The springs are beefed up, so is the frame and I think the brakes as well, not sure.
Driving close to the speed limit I get 22 mpg on the free way, in town 13 and averaging 17-18. (3:31 ratio)
Love the truck, thinking about getting extended warranty and keeping it for 12-15 years or so.
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Old 05-02-2019, 12:53 PM
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Originally Posted by cp5899 View Post



I donít think the 7.3 will either, but I donít want 14-17 mpg either which I feel it may be. Our 6.2 fleet trucks get terrible mileage unloaded. I donít mind going back to diesel just donít like how complicated they have become. My 17í Cummins was nice and got 20-22 mpg unloaded, but the lag off idle was terrible. I felt like I was always playing frogger with that thing.

a simple tune and that cummins becomes a totally different animal and nets even greater fuel economy!
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Old 05-02-2019, 01:09 PM
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Originally Posted by cp5899 View Post



Yesterday I was close to 14k lbs, but didnít have my bags of gear I bring with me in the truck. Donít think it adds up to much though. 200 lbs at most I would guess.
What truck are you referring to?

If the 3.5 eco, I would be careful going over manufacturer rating...You can tow anything..stopping is where the issues come....Ford does have over sized vented disc brakes so you will be ok in the short term...But I wouldnt push it over 12k lbs in the long term.

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Old 05-02-2019, 01:12 PM
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2500 is a lot to live with on an everyday basis for something you tow a few times a month. I would stick with the 1500 and get some bags for the back.
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Old 05-02-2019, 01:20 PM
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Originally Posted by Rolandt03 View Post
a simple tune and that cummins becomes a totally different animal and nets even greater fuel economy!

Iíve tuned my diesels in the past, but I have been trading them in every 18-24 months when I get around 50-60k miles. Tune/deleting them kills my trade in value. A buddy has a tuned 6.7 Cummins and it is a beast for sure!
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Old 05-02-2019, 01:22 PM
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Originally Posted by Wahooking View Post
What truck are you referring to?

If the 3.5 eco, I would be careful going over manufacturer rating...You can tow anything..stopping is where the issues come....Ford does have over sized vented disc brakes so you will be ok in the short term...But I wouldnt push it over 12k lbs in the long term.
I was referring to my current 2.7 super crew f150. I agree braking on dry roads are not bad (with the trailer brakes), but when itís wet that can be different.
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Old 05-02-2019, 01:23 PM
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Originally Posted by Lorne Greene View Post
2500 is a lot to live with on an everyday basis for something you tow a few times a month. I would stick with the 1500 and get some bags for the back.

I agree. I daily drove multiple f350 duallys for almost 12 years and then went to a 3/4 ton single wheel and now the f150. It has been nice not having to do k turns to get into parking spots. Lol

I only tow 2-3 times a month, but that is towing Friday-Sunday which equates to 300+ miles in a weekend.
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