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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.

NHTSA closes probes on Jeep Grand Cherokee, Ford Freestar and Mercury Monterey

The Detroit News reports the National Highway Traffic Safety Administration has officially closed its investigations into 2012 Jeep Grand Cherokee, 2004-2005 Ford Freestar and Mercury Monterey models. The separate probes found no issues that pose safety concerns. NHTSA began investigating certain Grand Cherokee SUVs over complaints that power steering hoses could detach during operation, thereby increasing the risk of a vehicle fire. Of the 24 reports of failure, none alleged smoke or fire in the engine bay, and Chrysler has since modified the power steering cooler assembly to reduce the likelihood of the failure.
Meanwhile, certain Ford Freestar and Mercury Monterey vehicles garnered a government probe after receiving complaints that the models were equipped with faulty scissor jacks. The agency had received six reports of the jacks failing or causing injuries, including one incident that resulted in a fatality. But NHTSA says the jack failure rate is similar to those found in other vehicles. In those six cases, the government agency found the jacks were being used for something other than changing a tire, and investigators could not determine whether the emergency brake was set or the rear tires were properly chocked.

Fiat Chrysler and Peugeot boards meet to finalize merger

MILAN/PARIS — The boards of Fiat Chrysler Automobiles and Peugeot will meet separately on Tuesday to discuss finalizing an initial agreement for a $50 billion merger to create the world's number four carmaker, sources said. A source close to FCA said the two companies could announce the signing of a binding memorandum early on Wednesday, followed by a conference call to explain further details later in the day. The two mid-sized carmakers announced plans six weeks ago for a tie-up to help them deal with big challenges in the industry, including a global demand downturn and the need to develop costly cleaner cars to meet looming anti-pollution rules. Ahead of the meetings, entities representing the Peugeot family, Etablissements Peugeot Freres (EPF) and FFP, unanimously approved a proposed memorandum of understanding for the planned merger, a source familiar with the situation said. FCA and PSA have said they would seek to finalize a deal by year-end to create a group with 8.7 million in annual vehicle sales. That would put it fourth globally behind Volkswagen, Toyota and the Renault-Nissan alliance. PSA's Carlos Tavares will be chief executive and FCA's John Elkann — the scion of Italy's Agnelli family, which controls FCA through their holding company Exor — chairman of the combined company. The group will include the Fiat, Jeep, Dodge, Ram, Chrysler, Alfa Romeo, Maserati, Peugeot, DS, Opel and Vauxhall brands, allowing it to serve mass and premium passenger car markets as well as those for trucks and light commercial vehicles. Related Video:       Chrysler Dodge Fiat Jeep RAM Citroen Peugeot