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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 Wrangler's shift to aluminum could see production leave Toledo

The Jeep Wrangler may be a timeless design, but sooner or later, time will run out and Chrysler will have to replace it with a newer model more friendly towards the earth it's designed to traverse. That will, it seems, mean a shift to aluminum construction (whether just for the body or for the entire structure) - but what will that mean for the Wrangler's long-time home of Toledo, OH?
According to the latest pronouncements from Fiat Chrysler chief Sergio Marchionne, the shift to an aluminum Wrangler would likely mean moving production out of Toledo. "If the solution is aluminum," Marchionne told Automotive News, "then I think unfortunately Toledo is the wrong place, the wrong setup to try and build a Wrangler, because it requires a complete reconfiguring of the assets that would be cost-prohibitive."
Marchionne also indicated that, were Wrangler production to move elsewhere, it would find another line to take its place in Ohio. "One of the thing that we are dealing with now is what else we do with Toledo that fulfills our commitment to the city and to Ohio. I don't have a doubt that there will be zero impact on head count and employment levels and anything else." Jeep has built the Wrangler in Toledo since World War II, with the exception of six years starting in 1986 when it was built in Brampton, Ontario. The complex dates back to 1910 and currently produces the Wrangler and Cherokee. Past products have included the Wagoneer and Commanche as well as the Dodge Dakota and Nitro.

2014 Jeep Cherokee will keep Liberty designation in China... sort of

Chinese buyers will get their first live look at the 2014 Jeep Cherokee during the Shanghai Motor Show, but CarNewsChina is reporting that it will go by a different name - Ziyou Guan, which translates to "Liberty Light." The article states that our Jeep Liberty was never sold in China, but the iconic XJ Cherokee was sold and produced there as the Qinuoji (a phonetic translation of Cherokee).
The new Jeep Liberty Light will be built alongside the Fiat Viaggio (China's Fiat-badged version of the Dodge Dart) at the Guangzhou-Fiat plant, and the two models will share the same powertrains: a 1.4-liter turbocharged four-cylinder base engine paired to a five-speed manual or a dual-clutch transmission and a 2.4-liter four-cylinder (the base engine for the US-spec 2014 Cherokee) as an optional engine. It doesn't sound like the 3.6-liter Pentastar V6 will be offered in China.
We'll be on hand when the new Jeep debuts in Shanghai, so stay tuned to Autoblog this Friday night and Saturday for our live coverage of the show.