2004 Jeep Wrangler on 2040-cars

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Watch this 650-hp Hennessey Jeep Grand Cherokee go from 0-60 in 3.9 seconds

Hennessey Performance Engineering has created an HPE650 package for the Jeep Grand Cherokee SRT fitted with the 6.4-liter Hemi engine. When it leaves the showroom floor it has 470 horsepower and gets from 0-60 miles per hour in 4.8 seconds. When it leaves Hennessey's garage floor after the upgrade it has 650 horsepower - 530 hp at the wheels, according to Hennessey - and gets to 60 mph in 3.9 seconds on its way to running the quarter-mile in 12.6 seconds.
There's more than just a Roots-type supercharger bolt-on, with ported cylinder heads and high-flow headers among the many changes made to the engine. You can watch this pre-2014 facelift silver model prove its spec sheet on the drag strip in the video below.

Jeep Liberty under investigation for door fires

The Jeep Liberty has already had plenty of attention for possible fires thanks to the first-gen model's fuel tank, but now the midsize Jeep is under the microscope of the National Highway Traffic Safety Administration for another fire-related concern. NHTSA has opened an investigation for the 2012 Liberty after receiving two reports of electrical fires in the driver's door.
According to the investigation summary, around 80,000 vehicles could potentially be affected by this problem. In both reported fires, the drivers noticed smoke and then flames from the master power window switch, and they had to pull to a stop and exit through the passenger side of the SUV. According to Autoguide, there was one injury to a motorist who suffered burned fingers while trying to open the driver's door.
Interestingly, the Dodge Nitro is not yet involved in this investigation, even though it was still around for the 2012 model year; the Nitro ended production in 2011 about a year before the final Liberty rolled off the line for the 2013 model year. Scroll down for the official NHTSA investigation summary.

We drive the cars of Furious 7... in Forza Horizon 2 [w/video]

On March 27, Turn 10 Studios, the folks behind the Forza Motorsport series, and Universal Pictures, the studio responsible for the Fast and Furious franchise, gave us a match made in heaven, announcing a "standalone expansion" featuring the two franchises. Called Forza Horizon 2 Presents Fast and Furious, it features the cars from the latest film installment, unique missions and the voice-acting of Chris "Ludacris" Bridges, who plays tech guru Tej Parker on camera. A Fast and Furious video game? Seems like a no brainer. It gets better. Rather than limiting the Fast and Furious Edition cars to the expansion game, Turn 10 made them available through one of their (some may say notorious) downloadable content packages. Eight of the expansion's 11 cars were made available for just $4.99 (the only cars that weren't included were the Fast and Furious Edition Nissan GT-R, while the Bugatti Veyron Super Sport and McLaren P1 are already available in-game). What's cool ais that the cars featured in both games are visually identical to the vehicles driven by the stars of Furious 7. Each in-game car has an on-screen parallel that plays a role in advancing the film's story. Considering that we're unlikely to score seat time in Dominic Toretto's real Dodge Charger, then, we figured we'd take to the game and test the car in the digital realm. We've got nine little cluster reviews, covering the cars both in the game and how they appear in the movies. And don't worry, there are no major spoilers here. Click on for the cars of Forza Horizon 2 Presents Fast and Furious. 1970 Dodge Charger R/T Fast and Furious Edition Supercharged 7.2L V8 / 900 HP / 663 LB-FT The one vehicle that is mandatory in a Fast and Furious video game, Dom's hot-rodded 1970 Dodge Charger, is as much a character in the films as its driver. Furious 7 marks the fourth appearance of this Mopar beast in the series. Not surprisingly it's a handful to drive, wildly quick and with a four-speed transmission packed full of very tall gears. But beyond that, it's arguably the coolest of the FF Edition cars. This black beauty is exactly as it appears in the latest installment of the film, with the video game version featuring intricate little details, like the moving parts on the BDS supercharger. It's an iconic car, and it's treated as such in the game.