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2015 Ford Mustang EcoBoost flogged and analyzed by Ignition

Aside from the way it looks and perhaps its independent rear suspension, the biggest bit of news on the 2015 Mustang may be the inclusion of its 2.3-liter, turbocharged four-cylinder engine. That blown mill marks the first time since the Mustang SVO of the '80s that a turbo has been fitted under the engine of Ford's pony car.
The Mustang EcoBoost is the subject of the latest episode of Ignition from Motor Trend, giving us a great look at the technical, nitty-gritty side of the turbocharged coupe. Covering it from bow to stern, host Carlos Lago walks us through the boosted Ford before taking to the track for some driving impressions, with particular praise given to the low-end grunt of the 2.3-liter mill.
Check out the full video and then let us know which 2015 Mustang has your interest piqued the most - the EcoBoost four, the 5.0L V8 or the entry-level V6.

NHTSA closes Ford F-150 EcoBoost acceleration probe

Typically when we report on the findings of an investigation from the National Highway Traffic Safety Administration, it's because the government body has discovered a safety issue and prescribed a recall. In this case, however, NHTSA has closed an investigation into a reported performance deficit without ever getting to the recall stage.
The issue revolves around the Ford F-150 - specifically those equipped with the 3.5-liter EcoBoost engine - of which some 360,000 were built in the 2011, 2012 and 2013 model years. After receiving an initial 95 complaints, NHTSA opened an investigation last May - almost a year ago - into the reported issue of reduced engine power under hard acceleration. The agency has since received a total of 525 such complaints, and Ford itself reported receiving over 4,000.
Together, NHTSA and Ford determined that the problem resulted from cylinders misfiring, an issue itself stemming from water getting into the charge air cooler (CAC) mated to the turbochargers. In particularly humid or rainy conditions, water was found to get into the CAC, causing some of the cylinders to misfire, which in turn triggered the ECU to disable those cylinders in order to protect the catalytic converter from damage.

2014 Roush Stage 3 Mustang

Up until now, it's been some years since I managed to get behind the wheel of the hot Mustangs tuned by the folks at Roush Performance. My memories of those vehicles are fond, as the Roush up-fits usually make for better-driving examples of the iconic Ford pony, with better-tuned suspensions, excellent short-shift kits and, of course, huge additions of power. The wake-your-neighbors aural characteristics of these cars have been nothing short of outstanding, too.
But in the years since my last experience with the Roush formula, Ford's own development team has churned out some pretty potent 'Stangs. We currently live in a world where the Blue Oval will sell you a Mustang with 662 horsepower from the factory, and the recently departed Boss 302 remains one of the best Mustangs - and best sports coupes - the Autoblog crew has ever driven.
So with great-driving and hugely powerful Mustangs coming straight off the line at Ford's Flat Rock Assembly Plant, does the Roush package still offer that extra special something to make it stand out? I spent a week with a Stage 3 coupe to find out.