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2015 Ford Mustang EcoBoost loses big power on 87 octane

The 2015 Ford Mustang with the 2.3-liter EcoBoost four-cylinder is a pretty potent package on paper. With 310 horsepower and 320 pound-feet of torque, it boasts better performance numbers than the 3.7-liter V6, but with better fuel economy as an added benefit. However, if you're in the market for one of these boosted 'Stangs, you should probably keep in mind that it really prefers to gulp premium, 93-octane fuel. It can drink 87-octane swill in a pinch, but you're going to find significantly less power underfoot when pulling away. While it's not shocking that the ponies are dialed back with a lower grade of gasoline, an alleged page from a Ford training manual obtained by Mustang 6G purports to show just how much power is lost, though. According to this document, the 2.3-liter EcoBoost makes 275 horsepower and 300 pound-feet of torque when running on lower octane fuel. That's a substantial reduction of about 11.3 percent compared to when the engine drinks 93 octane. Interestingly, according to Mustang 6G, that finding was a bit better than expected, because a Ford engineer reportedly said power would be down about 13 percent without altering peak torque. In speaking with Autoblog, Paul Seredynski of Ford powertrain communications, objected to part of this document. While he couldn't confirm the specific losses listed for the Mustang EcoBoost, "torque remains unchanged" with lower octane gasoline, Seredynski said. He speculated this training manual page was "possibly from before the engine was certified" and therefore showed incorrect figures. Serendynski did confirm that the automaker recommends using 93 octane, and like all modern engines, the software adapts if it's lower. "Peak power would be reduced" by using a lesser grade, he confirmed. Featured Gallery 2015 Ford Mustang EcoBoost: First Ride View 20 Photos News Source: Mustang 6GImage Credit: Copyright 2015 AOL, Ford, Mustang 6G Ford Technology Convertible Coupe Performance ecoboost ford mustang ecoboost

Xcar flogs the 2015 Ford Focus ST

There's an inevitable dilemma that practically every auto fan eventually faces, at least other than Jay Leno and Jerry Seinfeld, and that's the tradeoff of performance, practicality and perhaps most importantly, money. Parking the fabled supercar in the garage might be the wish, but for most folks bigger responsibilities – like a family – just don't allow that dream to be a reality. In the view of XCar Films, this intersection of needs and wants is where vehicles like the latest Ford Focus ST provide a fantastic compromise between exciting driving and everyday practicality. Xcar hops into Ford's recently refreshed European hot hatch to illustrate its abilities as both a hauler for the small family on the move and for the driver who just wants to go. The Blue Oval left the powertrain alone for the ST's update, but sharpened the exterior styling, revised the interior and retuned the front suspension and steering. Being realistic, no one is ever going to get behind the wheel of the Focus ST and mistake it for a Porsche, but that's not really the point. Instead, buyers get to put a smile on their face from time to time and still maintain life's other responsibilities. Related Gallery 2015 Ford Focus ST (Euro-spec) View 14 Photos News Source: Xcar Films via YouTubeImage Credit: Related images copyright Ford Ford Hatchback Performance Videos ford focus st xcar xcar films

2016 Ford Shelby GT350 Mustang rated at 526 hp, 429 lb-ft

When Ford debuted the Shelby GT350 Mustang at the LA Auto Show last year, we were told it'd have more than 500 horsepower and over 400 pound-feet of torque. And indeed it does; Ford confirmed today that its hot 'Stang will make 526 hp at 7,500 rpm and 429 lb-ft at 4,750 rpm. Compared to the GT350's main rival, the Chevy Camaro Z/28, that's an increase of 21 hp, but a loss of 52 lb-ft. That said, this Mustang packs some serious prowess, especially in its most hardcore GT350R trim. It sounds pretty wicked, too. It's worth noting that both the standard GT350 and GT350R use the same engine, with the same output ratings. It's also worth noting that this is a flat-plane-crank engine. It's the most powerful naturally aspirated engine Ford has ever made, with 102 hp per liter. Redline is 8,250 rpm. It's a lightweight engine, too – the 5.2-liter mill weighs less than Ford's own 5.0-liter Coyote V8. Perhaps most impressive is the price point for the 2016 Shelby GT350. The standard car comes in at $47,870, while the GT350R will command $61,370 – a big drop over the Camaro Z/28 and it's $73,300 sticker price (including destination but not gas guzzler charges). Ford confirmed the power output news at a media briefing today near its headquarters in Dearborn, MI. Stay tuned for more information as it becomes available. Related Video: