2.7L EcoBoost-Ford’s 2015 F-150 Not-So-Secret Weapon

Updated Sep 7, 2014
2015 Ford F-150 Tows Loaded Trailer in Extreme Heat
The 2015 Ford F-150 towed a loaded trailer in over 100-degree heat up a 13 percent grade to the Davis Dam in Arizona.

It wasn’t that long ago a 2.7L V-6 with a compacted-graphite-iron (CGI) block, twin turbos, reverse-flow cooling, split-mains, variable-displacement oil pump, deep-sump oil pan and direct-injection making 325hp would be something seen only in race circles. But here we are today looking at exactly that going under the hoods of Ford’s 2015 F-150s: the 2.7L EcoBoost V-6.

The newest EcoBoost is a marvel in engineering and design, and it packs more punch from its diminutive 165 cubic inches than Ford’s own 5.4L Triton V-8 that was the go-to engine in the F-150 a decade ago.

Heck, with 325hp and 375 lbs.-ft. torque on tap, it packs just 5 lbs.-ft. and 45hp less than the current 5.0L F-150 V-8, 10 lbs.-ft. less torque and 8hp more horsepower than Nissan’s Titan 5.7L V-8, 30 less ponies and 8 lbs.-ft. less than the 5.3 GM V-8s, and 85hp more than the Ram EcoDiesel V-6 while giving up 45 lbs.-ft. in torque. That’s impressive muscle from a gas V-6.

The 325hp 2.7L EcoBoost V-6 is the first of three engine options being offered for the 2015 F-150.The 325hp 2.7L EcoBoost V-6 is the first of three engine options being offered for the 2015 F-150.

Now for those who are old-school V-8 lovers that still stand firm by the “there’s-no-replacement-for-displacement” mentality, it’s time for old dogs to learn new tricks. I did.

Here’s the deal: When Ford rolled out the 3.5L EcoBoost V-6 in 2011, the way we looked at the world of pickup gas V-8s changed dramatically. That’s when the light went on that twin-turbo’d, small-displacement V-6s can, indeed, stand cylinder-to-cylinder with small-block V-8s and kick their butts when used in pickups.

The new generation of Ford’s turbo’d V-6 pickup engines deliver the torque down low and pull as hard, if not harder, than their naturally-aspirated small-block V-8 brethren, all the while delivering the kind of fuel economy one would expect from an engine with two less cylinders. 

Now you add in the other performance factor: weight.  The aluminum-body 2015 F-150s scales 700-pounds less than the current models, which helps make the 2.7L such a promising power package for a half-ton.

During Ford’s press briefing and walk-around earlier this week, I talked with Ed Waszczenko, the 2.7L EcoBoost’s lead engineer, who said customers are going to be “surprised by its performance.” With the numbers Ford has shown for this engine, I am sure they will.

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In addition to the CGI block, which doesn’t need cylinder sleeves like the aluminum-block 3.5L EcoBoost, Waszczenko pointed out the die-cast aluminum ladder frame cradles the block to form a very rigid and robust block assembly. That translates into durability over the long haul.

CGI block and ladder-frame aluminum cradle support for the bottom-end makes for a package similar in strength and durability to the Power Stroke diesel.CGI block and ladder-frame aluminum cradle support for the bottom-end makes for a package similar in strength and durability to the Power Stroke diesel.

He also directed our attention to the twin turbos and how they are mounted directly to the exhaust manifolds. That positioning, an EcoBoost trademark, allows for rapid spool-up and the ensuing flat torque curve reminiscent of a diesel.

“We designed the architecture to deliver what truck owners want, which is low-end torque,” said Waszczenko. The 2.7L’s big brother, the 3.5L, is proof of that.

And like the 3.5L EcoBoost, the 2.7L’s design also incorporates reverse-flow engine cooling so the heads and turbos get cooled before the block, allowing for quicker warm-up time, better fuel and power efficiency, and overall better durability than would be afforded by conventional cooling. (The twin turbos are also oil-cooled.)

Another aspect that I was surprised to learn about the 2.7L EcoBoost is how quiet it is for a direct-injected engine, which are, by their nature, notoriously loud. One of Ford’s F-150 engine team said a bonus benefit of a CGI block is it’s a poor conductor of sound. So the internal goings on and the hammering of the fuel injectors are naturally muffled inside the new engine.

As for fuel economy, Ford is still awaiting the confirmation and certification of numbers from EPA testing. Those mpg figures should be available by early Fall. However, Ford engineers feel the little EcoBoost will be a fuel economy pace-setter in the half-ton pickup market. I suspect the numbers to be in the mid- to upper 20s for city/highway.

Will the 2.7L Ford Ecoboost be the best choice for every customer? No. But for fleet owners it very well may be, with a tow rating of 8,500 pounds and a load capacity of 2,250 pounds, it’ll meet a lot of light-duty work needs.

I see the 2.7L EcoBoost as the ideal F-150 engine package for occasional trailer towing or for those towing trailers less than 5,000 pounds, which is right up a landscaper’s alley.

If the towing needs are more frequent and pushing above 5,000 pounds on a regular basis, then the 5.0L V-8 or the 3.7L EcoBoost would be the better engine options. If towing really isn’t a part of the F-150’s tasks, then the equally new 283hp 3.7L V-6 is going to be the white fleet’s engine of choice; the 24-valve V-6 will be the new base engine for the 2015 F-150.

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