Trailer Life Magazine Open Roads Forum: 3.5 Ecoboost Feels Like a V6
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 > 3.5 Ecoboost Feels Like a V6

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BurbMan

Islip, Long Island

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Posted: 07/02/19 08:50am Link  |  Quote  |  Print  |  Notify Moderator

Try using 93 octane if you're not already.


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AlwaysOnTheRoad

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Posted: 07/02/19 09:20am Link  |  Quote  |  Print  |  Notify Moderator

Grodyman wrote:

So I have a 2017 F150 with 3.5 Ecoboost and 3.55 gears. I rented a 6x10 dual axle dump trailer and loaded it with 2.5 yards of landscape rock. I'm thinking maybe 8000-9000lbs total.

Engine did the job, but felt like a lawn mower. My previous 6.2 V8's easily outperform this motor. Now I know why this motor can't be placed in a Super Duty.Trailer also pushed the truck around and was tough on the brakes. Thankfully only went about 8 miles.

This motor is great for anything 5000lbs or less, as long as you are fairly aerodynamic. My truck gets 7 mpg towing an ultralight Passport 153ML.

Since I drive most miles empty, I like this truck and it is a good compromise. If I pulled over 5000lbs and used the truck only as a tow vehicle, I would pass.

Gman

HUH???
I tow a 8K gvwr toy hauler around with my 2.7 EcoBoost with no lack of power what so ever.
Either something is wrong with your truck or you were way heavier than you thought.


2016 F150 4X4 2.7EcoBoost 6Speed 3:55's / 2019 Jayco Octane 222SL ToyHauler


wilber1

Abbotsford B.C.

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Posted: 07/02/19 09:20am Link  |  Quote  |  Print  |  Notify Moderator

SidecarFlip wrote:

My philosophy is.... There is no replacement for displacement. Don't own a weenie motor and don't want one. Little motors are for poser trucks.


An ICE is just an air pump. There are three ways to pump more air. Increase displacement. Increase RPM. Forced induction. They all do the same thing.

The nice thing about direct injection turbo's is they make peak torque and lots of power at lower RPM'S.


"Never trust a man who has not a single redeeming vice" WSC

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Lynnmor

Red Lion

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Posted: 07/02/19 10:21am Link  |  Quote  |  Print  |  Notify Moderator

BurbMan wrote:

Try using 93 octane if you're not already.


Whenever I suggested that folks follow the owners manual, I was met with the cheap fuel crowd claiming that any fuel is fine. Lets see if they turn out again.





Mcrockett77

Southern California

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Posted: 07/03/19 08:11pm Link  |  Quote  |  Print  |  Notify Moderator

Interesting that I had the exact opposite experience. I sold my 2015 ecoboost expedition and bought a 2019 f250 6.2. Both had 3.73 and same size tire. Pulling the same trailer (7500 gvw) I felt the ecoboost preformed as well as the 6.2. Now the f250 was way more stable and felt much safer. But power wise, I was a bit disappointed. Expedition got better mpg solos and about the same (10) pulling trailer


Expedition El
Ecoboost
4x4

blt2ski

Kirkland, Wa

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Posted: 07/04/19 01:17pm Link  |  Quote  |  Print  |  Notify Moderator

Rock is generally 3000+- a cubic yard, so 7500 lbs of rock, trailer depending upon the type, 3000+ lbs, assuming a dual 6K axel trailer, possibly a dump included....... I would swag you were closer to 10K+ lbs of trailer total.
My 14' plus beavertail equipment trailer is 2800 lbs empty, put some sides on it, dump unit......4000-4500 lbs of trailer, plus 7500 lbs of rock, assuming you got 2.5 yds, not closer to 3 - 9000 lbs of rock!
I'm sure that motor drive train noticed the load behind it, as it should have!

marty


92 Navistar dump truck, 7.3L 7 sp, 4.33 gears with a Detroit no spin
00 Chev C2500, V5700, 4L80E, 4.10, base truck, no options!
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Groover

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Posted: 07/04/19 10:25pm Link  |  Quote  |  Print  |  Notify Moderator

Mcrockett77 wrote:

Interesting that I had the exact opposite experience. I sold my 2015 ecoboost expedition and bought a 2019 f250 6.2. Both had 3.73 and same size tire. Pulling the same trailer (7500 gvw) I felt the ecoboost preformed as well as the 6.2. Now the f250 was way more stable and felt much safer. But power wise, I was a bit disappointed. Expedition got better mpg solos and about the same (10) pulling trailer


The 6.2 seems to have a stellar reputation for reliability durability but when it was offered in the F150 it returned 3 mpg less than the Ecoboost and lower performance, even though the 6.2 is rated for more hp. So your experience was what the test data would predict. It will be interesting to see how the 7.3 stacks up against the 6.2.

danrclem

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Posted: 07/04/19 10:44pm Link  |  Quote  |  Print  |  Notify Moderator

Groover wrote:

Mcrockett77 wrote:

Interesting that I had the exact opposite experience. I sold my 2015 ecoboost expedition and bought a 2019 f250 6.2. Both had 3.73 and same size tire. Pulling the same trailer (7500 gvw) I felt the ecoboost preformed as well as the 6.2. Now the f250 was way more stable and felt much safer. But power wise, I was a bit disappointed. Expedition got better mpg solos and about the same (10) pulling trailer


The 6.2 seems to have a stellar reputation for reliability durability but when it was offered in the F150 it returned 3 mpg less than the Ecoboost and lower performance, even though the 6.2 is rated for more hp. So your experience was what the test data would predict. It will be interesting to see how the 7.3 stacks up against the 6.2.


I've got a 6.2 and like it but I believe the 7.3 is going to get better fuel mileage and pull better. How much is hard to say. Some say it will have one or the other but not both. I'm anxious to see what it will do. If I ever buy one it won't be in the next few years.

Groover

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Posted: 07/05/19 06:54am Link  |  Quote  |  Print  |  Notify Moderator

danrclem wrote:

Groover wrote:

Mcrockett77 wrote:

Interesting that I had the exact opposite experience. I sold my 2015 ecoboost expedition and bought a 2019 f250 6.2. Both had 3.73 and same size tire. Pulling the same trailer (7500 gvw) I felt the ecoboost preformed as well as the 6.2. Now the f250 was way more stable and felt much safer. But power wise, I was a bit disappointed. Expedition got better mpg solos and about the same (10) pulling trailer


The 6.2 seems to have a stellar reputation for reliability durability but when it was offered in the F150 it returned 3 mpg less than the Ecoboost and lower performance, even though the 6.2 is rated for more hp. So your experience was what the test data would predict. It will be interesting to see how the 7.3 stacks up against the 6.2.


I've got a 6.2 and like it but I believe the 7.3 is going to get better fuel mileage and pull better. How much is hard to say. Some say it will have one or the other but not both. I'm anxious to see what it will do. If I ever buy one it won't be in the next few years.


Ford is building up expectations about its efficiency and power. A more efficient engine could do both IF it is driven in similar fashion as the less efficient engine. On the other hand, if users get too much pleasure from the extra power then fuel burn very well could go up.

johndeerefarmer

Texas

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Posted: 07/16/19 12:36pm Link  |  Quote  |  Print  |  Notify Moderator

Grodyman wrote:

So I have a 2017 F150 with 3.5 Ecoboost and 3.55 gears. I rented a 6x10 dual axle dump trailer and loaded it with 2.5 yards of landscape rock. I'm thinking maybe 8000-9000lbs total.

Engine did the job, but felt like a lawn mower. My previous 6.2 V8's easily outperform this motor. Now I know why this motor can't be placed in a Super Duty.Trailer also pushed the truck around and was tough on the brakes. Thankfully only went about 8 miles.

This motor is great for anything 5000lbs or less, as long as you are fairly aerodynamic. My truck gets 7 mpg towing an ultralight Passport 153ML.

Since I drive most miles empty, I like this truck and it is a good compromise. If I pulled over 5000lbs and used the truck only as a tow vehicle, I would pass.

Gman


Y I have towed 12k lbs with my ecoboost and it will run like a bat out of he%$.
Sounds like your real complaint is the fuel mileage while towing. Towing a 10k lb fiver I get about 7.5 to 8 mpg at 62 mph with my ecoboost. My 6.7 Powerstroke gets about 10-11 mpg at 62mph with the same fiver.

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