Eco Boost
Cargo Master
Joined: Apr 2019
Posts: 2,799
Likes: 313
i believe i have read before that it has to do with the expected duty cycles the trucks are intended to face. below is a similar thread
https://www.ford-trucks.com/forums/1...perduty-3.html
https://www.ford-trucks.com/forums/1...perduty-3.html
More Turbo
Joined: Sep 2016
Posts: 618
Likes: 6
Super Duty trucks for the most part are used relatively heavily (not seen in this forum, but industry wide, they work) whereas F-150's are typically used lightly with the occasional heavy tow. Completely different duty cycle.
Cargo Master
Joined: Apr 2019
Posts: 2,799
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even a low boost 7.3 would be able to put down some serious numbers.
Lead Driver
Joined: Jun 2005
Posts: 8,475
Likes: 728
From: Calgary Canada
EcoBoost is an awesome engine. Hoever, I suspect its unloaded fuel economy in that heavier truck would be no better than the 6.2L V8. I always say that it's Eco OR Boost, not both. There are F150 owners who report better towing mileage with the 5.0L V8 then the EcoBoost.
Cargo Master
Joined: Jul 2003
Posts: 3,358
Likes: 250
A V8 Eco Boost would take too many sales away from the diesel.
If you could get a boosted big block that had the same towing capacity as the diesel but for half the cost it would be a no brainier. Even with a mileage hit you'd still come out ahead with the gas motor.
If you could get a boosted big block that had the same towing capacity as the diesel but for half the cost it would be a no brainier. Even with a mileage hit you'd still come out ahead with the gas motor.
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Posting Guru
Joined: Feb 2018
Posts: 1,555
Likes: 516
EcoBoost is an awesome engine. Hoever, I suspect its unloaded fuel economy in that heavier truck would be no better than the 6.2L V8. I always say that it's Eco OR Boost, not both. There are F150 owners who report better towing mileage with the 5.0L V8 then the EcoBoost.
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Laughing Gas
Joined: Oct 2012
Posts: 1,219
Likes: 5
I think OP is looking as to why there isn't a boosted V8 - or that's my take on it. Having owned both types now my unloaded MPG in Ecoboost was ~17mpg and in 6.7 is ~15mpg. Towing our camper (7500lbs) was around 9mpg. Not sure what the F350 will do but we will find out Friday 
Fuel capacity sucked at 26 gallons in the Ecoboost especially towing, 48 gallon upgrade was NICE!
Fuel capacity sucked at 26 gallons in the Ecoboost especially towing, 48 gallon upgrade was NICE!
Cargo Master
Joined: Apr 2019
Posts: 2,799
Likes: 313
I think OP is looking as to why there isn't a boosted V8 - or that's my take on it. Having owned both types now my unloaded MPG in Ecoboost was ~17mpg and in 6.7 is ~15mpg. Towing our camper (7500lbs) was around 9mpg. Not sure what the F350 will do but we will find out Friday
Fuel capacity sucked at 26 gallons in the Ecoboost especially towing, 48 gallon upgrade was NICE!
Fuel capacity sucked at 26 gallons in the Ecoboost especially towing, 48 gallon upgrade was NICE!
More Turbo
Joined: Jul 2016
Posts: 521
Likes: 43
My father-in-law once told me how he was at a training class for Ford and they somehow got on the topic of the Triton V10 being turbo'd from the factory.
I didn't ask when this was so I'm not sure if it was when they were thinking about the idea of the Ecoboost, or at the beginning or what. All he said was the Ford engineer told them they didn't go forward with it because it actually did better than the current diesel (again I don't know what particular diesel engine it was or in what way it did better than the diesel), and therefore they didn't pursue it because it would have taken away from diesel sales and their associated profits.
This of course could all be hogwash from the engineer but given the upsale on the diesel I can also see it being true.
I didn't ask when this was so I'm not sure if it was when they were thinking about the idea of the Ecoboost, or at the beginning or what. All he said was the Ford engineer told them they didn't go forward with it because it actually did better than the current diesel (again I don't know what particular diesel engine it was or in what way it did better than the diesel), and therefore they didn't pursue it because it would have taken away from diesel sales and their associated profits.
This of course could all be hogwash from the engineer but given the upsale on the diesel I can also see it being true.
Thread Starter
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Cargo Master
Joined: Feb 2017
Posts: 2,435
Likes: 732
From: Wisconsin
I think OP is looking as to why there isn't a boosted V8 - or that's my take on it. Having owned both types now my unloaded MPG in Ecoboost was ~17mpg and in 6.7 is ~15mpg. Towing our camper (7500lbs) was around 9mpg. Not sure what the F350 will do but we will find out Friday
Fuel capacity sucked at 26 gallons in the Ecoboost especially towing, 48 gallon upgrade was NICE!
Fuel capacity sucked at 26 gallons in the Ecoboost especially towing, 48 gallon upgrade was NICE!
Fleet Mechanic
Joined: Feb 2019
Posts: 1,297
Likes: 170
From: Hunterdon Cnty N.J.
Actually I think a blower would be a better boost technology for a gasoline tow vehicle. No need to spool up. Just linear boost from idle up. Plenty of kits have been on the market to add blowers to various engines. Huge gains are possible but the greater the gain the shorter the duty cycle. In fact variable boost would be easy so you could dial it up as needed.
The big HP muscle cars have blowers and the results are significant.
As the poster above stated... they have a boosted tow engine... its a diesel.
I have 2 V-10s in the fleet with 4.88 and 5.36 rears. They push and pull hard. I can imagine them with a supercharger being a monster.
But not desirable enough to sacrifice durability.
The big HP muscle cars have blowers and the results are significant.
As the poster above stated... they have a boosted tow engine... its a diesel.
I have 2 V-10s in the fleet with 4.88 and 5.36 rears. They push and pull hard. I can imagine them with a supercharger being a monster.
But not desirable enough to sacrifice durability.
