2011 Ford F-150 4x4 Lariat 40k Low Miles Rear Ent. Rearcam Vent Seat One 1 Owner on 2040-cars

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Hennessey unleashes 2015 HPE700 supercharged Ford Mustang

Thanks to the 2015 Dodge Challenger SRT Hellcat there is a new magic number in the muscle car world - 707. To raise eyebrows these days in the power war, a vehicle needs to match or preferably exceed that palindromic figure. The tuners over at Hennessey took a look at it for their 2015 HPE700 Mustang and decided to go one better. Well, ten actually, because they bestowed their latest creation with 717 horsepower and 632 pound-feet of torque.
The HPE 700 Mustang takes the standard Mustang GT with its 5.0-liter V8 and turns up the power a few hundred notches with a Roots-type supercharger running at 7.25 psi. Hennessey claims that this boosted 'Stang can rocket to 60 miles per hour in about 3.6 seconds and cover the quarter-mile in 11.2 seconds at 131 mph. For those keeping score at home, those figures are very similar to Challenger Hellcat.
To cope with all of the added boost, the engine gets a high-flow throttle body, upgraded injectors, new fuel pump, stainless steel exhaust and Hennessey's calibration for the engine management. Pricing for the package is $59,500, including the base 2015 Mustang GT, but the company is limiting production to 500 units for the 2015 model year. Founder John Hennessey told Autoblog that he has already received about a dozen orders for them.

2015 Ford Mustang EcoBoost

Earlier this week, Ford invited us to Charlotte, NC, to ride in an all-new 2015 Mustang fitted with its turbocharged 2.3-liter EcoBoost four-cylinder. It's the first forced-induction, four-cylinder ponycar for the Blue Oval since the sun set on the 1986 Mustang SVO. We jumped at the opportunity, as only a handful of people have ever been in the passenger seat of this new car, and most automotive media won't get as close as we did until this fall.
As we revealed in our Deep Dive, Ford will slot this new turbocharged four as premium powerplant between its naturally aspirated 3.7-liter V6 and the naturally aspirated 5.0-liter V8. At last mention, the automaker said the direct-injected, all-aluminum engine will develop 305 horsepower and 300 pound-feet of torque, returning the best fuel economy of the three powerplants in the process. History buffs will note that those figures are appreciably stouter than the 200 horses and 240 lb-ft that the '86 SVO realized out of the same displacement, and the latter's figures were hugely impressive at the time. On paper, the new EcoBoost four looks to be a good fit for most owners who want to balance performance with efficiency - we were eager to see how it felt from the passenger seat.
Riding Notes

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.