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Are you a new Ford Mustang SVO? [w/video]

When Ford announced that its 2015 Mustang would arrive with a 2.3-liter EcoBoost four-cylinder engine, three letters came to mind: SVO. While Ford hasn't said a word regarding the rebirth of a Mustang SVO model, this latest set of spy shots shows us something very, very interesting. Allow us to explain.
The Mustang prototype in these photos looks very similar to the GT500 test cars we've spotted before - same bulging hood, aggressive front fascia and air vents aft of the front wheels. What's different, however, is around back. Have a look at the exhaust, and note that instead of the GT500's usual quad pipes, two of the exhaust outlets have been capped off.
Our spies point out that these exhaust outlets could be closed for some sort of emissions testing or another engineering reason, but it's also important to note that the engine and exhaust notes of this car sound completely different from earlier GT500 prototypes. We've got a video below that compares the two.

Chip Ganassi Racing switches to the Ford EcoBoost-powered Riley Daytona Prototype

Chip Ganassi Racing with Felix Sabates (CGRFS) announced yesterday at Ford's SEMA press conference that it will field a Ford-Riley Daytona Prototype with the 3.5-liter EcoBoost V6 in the 2014 United SportsCar Championship (USCC). CGRFS is the second team to commit to the new Ford-Riley car, behind Michael Shank Racing (which has already used the racecar to break a 26-year-old top-speed record at Daytona International Speedway).
"Over the last 10 seasons we have been able to experience a great deal of success in Grand-Am," Chip Ganassi says, "and now with the dawn of the new United SportsCar Championship we feel that Ford power will be a key ingredient to writing the next chapter of our sports car program."
In the last Grand-Am season, CGRFS raced a BMW-Riley Daytona Prototype. The team has won seven Daytona Prototype championships, all in the past ten years. Scott Pruett and Memo Rojas return as the team's prototype co-drivers, and will attend their maiden race in the Ford-Riley at the Rolex 24 at Daytona in January.

Which is more fuel efficient, driving with a pickup's tailgate up or down?

Thanks to the smoke wand in the wind tunnel, you can actually see the difference in our video.
Should you drive with your pickup truck's tailgate up or down? It's an age-old controversy that's divided drivers for decades. Traditionalists will swear you should leave the tailgate down. Makes sense, right? It would seem to let the air flow more cleanly over the body and through the bed. But there's also a school of thought that argues trucks are designed to look and operate in a specific manner, and modern design techniques can help channel the airflow properly. So don't mess with all of that: Leave the tailgate up.