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Hennessey's Dodge Challenger Hellcat cranks out 1,032 hp

Enthusiasts know the Dodge Challenger Hellcat produces 707 horsepower. It's one of the modern muscle-car era's iconic numbers. But for some, that's not enough. Enter Hennessey Performance. The Texas tuners loaded the Hellcat with a twin-turbocharger that works with Dodge's supercharger to boost output to 1,032 hp and 987 pound-feet of torque. Yes, that's an engine dyno rating, not at the rear wheels, but still! It's a little more complicated than a bolt-on booster. Called the HPE1000, the turbo kit has stainless steel headers and down pipes, billet aluminum compressor wheels, and a high-flow air system. There's also an an improved fuel pump, and the engine and chassis are specially calibrated. You also get numbered plaques signed by John Hennessey himself and the engine tech who builds your mill. All of this helps get your Hellcat to 60 miles per hour in 2.7 seconds, and it can do the quarter mile in 9.9 seconds at 142 mph. The Hellcat and it's 6.2-liter blown Hemi V8 are not for the faint of heart. Hennessey makes this Dodge downright demonic. Related Video: Related Gallery 2015 Dodge Challenger SRT Hellcat View 23 Photos Image Credit: Hennessey Performance Dodge Coupe Performance

500+ hp Stellantis 'Hurricane' I6 previews a world without Hemis

After years of rumored development, Stellantis has revealed its new six-cylinder engine family. The 3.0-liter, twin-turbocharged "Hurricane" I6 will offer V8 power, forced induction torque and six-cylinder efficiency in a package designed to fit into any of the company's North American rear-wheel-drive platforms.  What is "V8 power," exactly? Well, in standard output guise, the new I6 cranks out more than 400 horsepower (the specific figure will vary by application) and 450 pound-feet of torque, while the high-output variant is good for more than 500 horses and 475 lb-ft. The final figures will be dependent on the application. We'll save you a little legwork: In current Ram, Jeep and Dodge products, the 5.7-liter Hemi tops out at about 395 hp and 410 lb-ft, give or take, and the 6.4-liter around 485 hp and 475 lb-ft.    This is a clean-sheet design that is only related to the company's turbocharged four-cylinder by some common measurements. The I6 is exclusively direct-injection (no hybrid/port-injection here) and the two I6 variants share 96 common parts, including the block and oil pan design. The differences are found in their internals, intake plumbing, valvetrain components and the turbochargers themselves. Stellantis is not yet ready to share specs or supplier info for the turbos but says announcements will come from its partners soon.  The standard-output I6 has a compression ratio of 10.4:1 and revs to 5,800 rpm. It will run on regular fuel, albeit with reduced performance; 91 octane is recommended for maximum output. The high-output variant has a compression ratio of 9.4:1 and will rev to 6,100 rpm. That one will require premium. The new I6's advantages go beyond basic power output. Every Hemi family engine currently in production is based on an iron block design, so they're heavy. The aluminum-block I6 shaves weight off the total engine package, even if some of that gets added back thanks to the turbos and their associated plumbing. The standard-output I6 weighs 430 pounds, Stellantis engineers told us; the high-output adds just another 11. Fully dressed 5.7-liter V8s are in the 550-560-pound ballpark, and 6.4-liters close in on 600 pounds.  You may be wondering, "Why a clean-sheet gasoline engine now, when the industry is moving toward battery-electrics?" A valid inquiry, and one Stellantis was prepared to address. While the company will be pivoting to electrification over the next decade, it won't be instantaneous.

Dodge recalls 27k Darts for bracket that can disrupt transmission module

Dodge is recalling 27,520 examples of the 2013-2015 Dart with dual-clutch gearboxes. The mounting bracket for the transmission control module can affect the part's operation and cause the compacts to suddenly shift into neutral. According to the automaker, 23,688 of them are in the US, 3,376 in Canada, 5 in Mexico, and 451 elsewhere. The National Highway Traffic Safety Administration reports these examples carry build dates between February 24, 2012, and June 16, 2015. There are also no reports of accidents or injuries. Because of the way the bracket is mounted, the part can put too much force on the control module's circuit board and cause it to shift out of gear. The engine and airbags remain operable if this happens. To fix things, dealers will install a redesigned mount and replacement module. Related Video: Statement: Mounting Bracket September 14, 2015 , Auburn Hills, Mich. - FCA US LLC is recalling an estimated 23,688 cars in the U.S. to replace certain control modules and mounting brackets that may contribute to a loss of motive power. The Company is unaware of any related injuries or accidents. An FCA US investigation prompted by a small number of warranty claims discovered a control-module mounting bracket may apply too much force and disrupt the function of a circuit board within the module. This condition, unique to certain cars equipped with dual dry-clutch transmissions (DDCT), may cause the transmission to shift into neutral. However, the engine remains on and the vehicle's air-bags, as well as other safety features, are unaffected. The condition may also be preceded by the illumination of a dashboard warning light. Customers who observe this are urged to contact their dealers. The campaign is limited to certain 2013-2015 Dodge Darts equipped with DDCTs. Additional vehicles will be recalled in Canada (3,376), Mexico (five) and outside the NAFTA region (451). Affected customers will be advised when they may schedule service, which will be performed free of charge. Service will entail installation of a redesigned mounting bracket and replacement of the control module. Customers with additional questions may call the FCA US Customer Information Center at 1-800-853-1403.