I would say the bottom line is an EB engine in a Super Duty doesn't make a lot of sense. Putting a smaller engine into a 7000 pound truck doesn't get you any better fuel mileage, as seen by comparing the numbers for 5.4L and the V-10. Yes, the 5.4L got better mileage, but they were still close.

 

The V-10 is still available in the cab and chassis models so the commercial segment is covered...

Lets not forget that Ford is no different than many other businesses....it is all about the bottom line. Profit drives every decision. As long as people keep shelling out the premium for the diesel engine then Ford would be foolish to develop a direct injected turbo charged gas option because it would directly compete with the diesel engine...and probably out perform it in several areas. If the Super Duty market share begins to slip, then Ford will have to react and at least offer a non-turbo version of the direct injected engine.

I think the "EcoBoost" name is half genius and half luck (in respect to timing of the market) and fully expect that Ford will get every ounce out of the term before the dust settles. Even so, I doubt the term will ever appear in a Super Duty...it might get a turbo charged direct injected engine someday but it will have a different name. PowerBoost or something much more clever.

 

Sorry Tylus, you're not even close here. That would be the 6.7L PSD at launch, and it was then uprated to 400 HP.

That's because it doesn't make any sense. Let's take a look at the math:

HP = (Torque * RPM)/5252

So with simple algebra we rearrange this to solve for torque, since we "know" horespower and RPM.

We end up with...

Torque = (HP * 5252)/RPM

= (390 * 5252)/2800

= 2,048,280/2,800

Torque = 731.5

So it would take 731.5 foot lbs of torque @ 2,800 RPMs to make 390 horsepower. Not even in the realm of possibility for the 6.2L gasser, yet matches the exact spec for the launch of the 6.7L PSD.

 

I certainly can see an Ecoboost in the SD line. Take away the 6.2L...and replace with an Ecoboost.

A small V8 with the twin turbo direct injection...and get this new engine into the 500-550 ft/lbs range...and I think we'd have a winner.

So...essentially...just design the new small cubic inch V8 the same...as the current 3.5L Ecoboost V6.

The SD line would still offer just 2 engine choices...


biz

 

Honestly I can see a problem with making a business case for such a monster. If it would hold up the current gen 3.5L EB would be an awesome engine for the Super Duty in just about any capacity right now. But would it be more efficient?

I think that smaller engines do have the capacity to increase fuel economy in a given platform. As an alternative to the Excursion that I'm trying to buy I've also been looking at older '02'-03 Suburban 2500s with the 8.1L(496 ci big block) Vortec engine. Comparable trucks with the 6.0L and 5.3L Chebby engines get MUCH better fuel economy. Most around here also agree that the 5.4L super duties will get marginally better fuel economy, but most also agree that the worse efficiency is worth it for the major power increase of the extra two cylinders.

To my understanding the EB is so much more efficient because much of the time it's running around at very low boost levels. When you add boost you decrease efficiency in a pretty huge manner, and I'm willing to bet that the 3.5L EB would be constantly under moderate to heavy boost when pushing a Super Duty through the wind on the highway. So would it be more efficient?

Believe me power isn't the issue, as that little 3.5 mill would flat out demolish even a 3V V10 in a towing competition and also best the 6.2L in all circumstances where the 6.2L wasn't approaching redline. If you don't believe me google around and check out some dyno sheets or better yet drive one!

 

Thx for correction Tom. Was going by Ford specs posted at Ford.com and didn't notice the #'s in () were for the 6.7 PSD

 

That's what I thought but everyone is straightened out now

 

I agree. 4.6T?????

 

that would be cool

 

Was camping this weekend and saw a number of the new f 150 EB Used to pull big campers.

 

that's cool and I'm glad for them, but the truck alone weights almost 2,000 lbs less than a similar F-250.

then add in the lowered GCWR and tow capacity...it's a pretty # on paper, but the in reality not so much.

the EB is a great motor. but it would be severly taxed in a SD application IMO