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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.

Fiat Chrysler to recall 100,000 Ram ProMaster vans over engine fire risk

Fiat Chrysler is recalling nearly 100,000 Ram ProMaster vans sold in the U.S. to address an overheating issue in fan motors. The recall is limited to vans from the 2015 through 2018 model years equipped with air conditioning. The recall affects ProMaster vans equipped with 3.0-liter diesel or 3.6-liter gasoline engines. FCA says the engine cooling fans may seize up and the circuit breaker may not protect them from overheating, presenting a heightened risk of fire. That’s despite a warning-light illumination in the vans. FCA first opened an investigation in July after the U.S. Postal Service reported incidents where the engine compartment caught fire. It says it is not aware of any injuries related to the issue despite 21 complaints of smoke or fire and 13 reports from dealers. A remedy is still under development. The recall is estimated to launch in the first quarter of 2020. Separately, FCA says itÂ’s recalling an estimated 51,788 Fiat 500 compact cars from 2012 and 2013 in the U.S. to replace faulty shift-cable bushings that may degrade over time from exposure to heat and humidity. That could cause the shift cable to separate from the transmission linkage, making the shifter inoperable. The company says itÂ’s aware of three minor accidents that could be related to the issue, but no potentially related injuries. Affected customers may notice looser shifter movement, although the instrument cluster will always indicate the correct gear selected. Service will be provided free of charge, and customers will be notified. Owners with questions can also call 800-853-1403. The Fiat 500 recall also affects an estimated 10,627 models in Canada, 3,520 in Mexico and 6,826 outside North America.

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