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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.

Stellantis suspends vehicle production in Russia

MILAN - Stellantis on Tuesday said it was suspending production at its Russian plant due to logistical difficulties and sanctions imposed on Moscow. The world's fourth-largest automaker, which produced and sold the Peugeot, Citro¸n, Opel, Jeep, and Fiat brands in Russia, has just 1% of the country's car market. It runs a van-making plant in Kaluga, around 125 miles (201 kilometres) southeast of Moscow, co-owned with Japanese carmaker Mitsubishi, which halted production at the facility earlier this month. "Given the rapid daily increase in cross sanctions and logistical difficulties, Stellantis has suspended its manufacturing operations in Kaluga to ensure full compliance with all cross sanctions and to protect its employees," Stellantis said in a statement. The plant employs 2,700 people. The company will continue to pay salaries through a local downtime scheme and by using anticipated vacation periods, Stellantis told Reuters. It said it did not know how long the stoppage would last, adding that its priority was its staff and the return of peace. Stellantis had already suspended all exports and imports of vehicles with Russia, following Moscow's invasion of Ukraine, moving production to western Europe. It had also said it was freezing plans for more investments in the country. Van production in Kaluga had remained just for the local market. Scores of foreign companies have announced temporary shutdowns of stores and factories in Russia or said they were leaving the country for good since Russia began what it calls "a special military operation" in Ukraine on Feb. 24. Stellantis Chief Executive Carlos Tavares in late March said the group would have to close the Kaluga plant shortly as it was running out of parts. Separately on Tuesday, General Motors Co said it was extending its suspension of business in Russia due to the conflict and international sanctions. The U.S. automaker, which initially suspended imports into Russia and commercial activity on Feb. 28, said it was laying off most of its 66 employees and providing them with separation packages. GM does not have plants in Russia and only sold about 3,000 vehicles annually there prior to the suspension. (Additional reporting by Ben Klayman in Washington; Editing by Mark Potter and Mark Porter) Government/Legal Plants/Manufacturing Fiat Jeep Citroen Opel Peugeot

Car Club USA: Louisiana Mudfest

There's nothing quite like mudding. Big tires, huge power, and crazy-wild gearheads that like to throw down on a mud pit almost as much as a thirty rack of Coors. In the latest, and some might argue greatest yet episode of Car Club USA, we head to Louisiana to throw some dirt at Mudfest. As Louisiana's one and only Mouth of the South puts it, "If you don't mud ride... go to Texas I guess." Joining The Mouth and friendly rivals The Most Hated Mud Sluts, we dive in. Beyond the obvious V8 blasting and tractor-tire spinning, those who know best describe Mudfest as, "Good cooking, good friends, good fun, and a lot of partying." It's a motorsport spectacle unlike any you're likely to find up North or out West, though no less impressive to behold. Follow along with the fun, the impromptu drag racing, the trash talking, and the mechanical madness. And find out why, at Mudfest, "if we don't tear it up, we ain't done it right." Each Car Club USA episode features a different car club or event from across the US, where passionate owner communities gather to share automotive experiences and embark on incredible adventures. From Main Street cruises to off-road trails, catch all the latest car club activity on Autoblog. Chevrolet Ford Jeep RAM Truck Off-Road Vehicles Car Club USA Videos autoblog black