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John Hennessey's personal 2015 HPE700 Supercharged Ford Mustang GT hits 195 mph

Dressed in a coat of menacing black paint, the 2015 Hennessey Performance HPE700 Supercharged Ford Mustang GT definitely looks like one mean muscle machine. The 717-horsepower 'Stang proved that it can back up that aggressive appearance recently when company founder John Hennessey took his personal example to see just how fast it would go. The result down the 1.1-mile straight at the Continental Tires Proving Grounds in Uvalde, Texas, was over 195 miles per hour. The Mustang is nothing but a black blur and wall of supercharger wail as it buzzes by the camera at top speed. Despite the strong result, Hennessey doesn't seem done with the 'Stang yet. The car still seems to be pulling when it hits the rev limiter, and there's some straight track left ahead. After getting out, John Hennessey immediately says he thinks 200 mph is possible. The heart of the HPE700 is a 2.9-liter Roots-Type supercharger running at 7.25 psi. That's a pretty massive blower, especially when considering the 2.4-liter unit on the Hellcat V8. The engine also gets upgrades like improved injectors, a new fuel pump, stainless steel exhaust and recalibrated management. The company claims the upgraded Mustang can hit 60 in around 3.6 seconds and do the quarter-mile in 11.2 seconds at 131 mph. Prices for the package start at $59,500, but this one would would ring up for $65,874. Hennessey Performance is limiting production to 500 of them for the 2015 model year. 2015 HPE700 Supercharged Mustang Rockets to 195.2 mph John Hennessey takes his personal Mustang GT on a Texas road trip Uvalde, Texas-Everything is bigger in Texas, especially when it comes to automotive performance. Texas also lays claim to the highest posted speed limit in America at 85 mph. Enter the team from Hennessey Performance Engineering (HPE) who are located just west of Houston. John Hennessey and his merry band of performance car builders like to go fast, so much so that they have their own 1/4 mile dragstrip next to their workshop. Recently, the Hennessey team wanted to test their 717 horsepower HPE700 Supercharged Mustang development car (John's personal car and occasional daily driver) beyond the 130+ mph speeds that they have seen on the dragstrip. "Thankfully, we had recently received an invitation from the guys at the Continental Tires proving grounds in Uvalde to come over and do some testing on their 8.0 mile high speed oval", said Hennessey.

Should heavy-duty pickup trucks have window stickers with fuel mileage estimates?

If you were to stroll into your nearest Chevrolet, Ford, GMC, Nissan, or Ram dealership, you'd find a bunch of pickup trucks. Most of those would have proper window stickers labeled with things like base prices, options prices, location of manufacture, and, crucially, fuel economy estimates. But you'd also run across a number of heavy-duty trucks with no such fuel mileage data from the Environmental Protection Agency. The EPA doesn't require automakers to publish the valuable miles-per-gallon measurement for vehicles with gross weight ratings that exceed 8,500 pounds. That makes it difficult for consumers to compare behemoths powered by turbocharged diesel engines – between one another, and between smaller, gasoline-fueled trucks. Consumer Reports doesn't think it should be this way, and it's spearheading an effort (PDF link) to get the government to require manufacturers to publish fuel economy estimates. In its own testing, CR found that heavy-duty pickups powered by Ford's Power Stroke, GM's Duramax, and FCA's Cummins diesel engines (which doesn't include the Ram's EcoDiesel) get worse fuel mileage than their lighter-duty gas-powered siblings. We're not so sure HD-truck buyers are unaware of this fact – big diesels don't really come into their own until big loads are placed in their beds or attached to their trailer hitches. Under heavy workloads, the diesel trucks will almost certainly return greater efficiency than a similar gas-powered truck. What's more, HD trucks with lumbering diesels in general make the driver feel more confident while towing due to greater torque at low engine RPM than gas trucks. They also offer greater max-weight limits. Still, we agree EPA fuel mileage estimates should be offered for heavy-duty pickups. And we think the comparisons provided by Consumer Reports might be interesting to potential buyers. Click here to see the results of CR's tests, and let us know what you think using the poll below. Related Video: Featured Gallery 2017 Ford F-Series Super Duty: First Drive View 22 Photos News Source: Consumer Reports Government/Legal Green Read This Chevrolet Ford GMC Nissan RAM Fuel Efficiency Truck Commercial Vehicles Diesel Vehicles poll gmc sierra hd chevy silverado hd

Ford won't be releasing GT500 lap times for the 'Ring, or any other car

Trucks have towing capacity, EVs have driving range and performance cars have Nürburgring lap times. What do all three have in common? They should all be taken with a grain of salt. Currently, there is no sanctioned way to record lap times or verify production-spec cars - a lesson we recently learned with the 2015 Nissan GT-R Nismo - and until there is a way to do so (and there probably never will be), we'll never officially know the actual time it took for Ford to lap the 'Ring with its ultra-powerful Shelby GT500.
After posting a Ford-made video of a 2013 GT500 running around the 'Ring, the guys over at SVTPerformance.com (an enthusiasts forum not affiliated with Ford or SVT) wanted more answers. They got in touch with Ford's Global Performance Vehicle Chief Engineer Jamal Hameedi, who said until there is a way to verify the times and inspect the cars, Ford will not get involved with lap-time wars. In the email, Hameedi pointed out that the 'Ring is a useful tool in that it allows a wide spectrum of track conditions, but until there is a governed way to record times, there is no way to accurately compare cars head-to-head.
And as much as some may not like it, Hameedi speaks the truth. It really isn't possible to compare times from one car to another, unless those cars were lapping the same track at the same time with the same driver. Not that any of this means there won't be continuous wars by fans and manufacturers alike... in other words, feel free to voice your opinions in the Comments below.