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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.

Dodge Viper ACR still can't quite capture Nurburgring record

Dodge Viper production ended just a few weeks ago. So in an effort to go out with a bang, a crowdfunded effort sent a pair of new Viper ACRs to the Nurburgring in order to reclaim the production-car lap record. Despite its best efforts, the team failed to top the Lamborghini Huracan Performante's time of 6 minutes and 52 seconds. The Viper's best lap was 7 minutes and 3.45 seconds, leaving a seemingly insurmountable gap between it and the Lamborghini. This past week, the Vipers went out again. Unfortunately the new time of 7:3.23 only shaved a few tenths. Road & Track reports that the hot weather played a major factor into the car's performance. August is hot in Germany, and the northern part of the track had a recorded temperature of 111 degrees. This was killing tires and therefore grip. While Kumho has been kind enough to supply the team with tires, an endless supply of rubber doesn't help if they keep getting cooked. In two hours, the team managed just two hot laps, killing 16 tires in the process. It's not over. A return trip is in the works. The team believes it can slide under the 7 minute mark. Still, it looks like it's going to take some really ideal conditions to make it work. Either way, the Viper ACR is and will remain one of the fastest production cars ever built and something of the likes we'll never see again. Related Video: This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings. News Source: Road & TrackImage Credit: Dodge Dodge Coupe Performance dodge viper acr

Ford, Stellantis workers join those at GM in ratifying contract that ended UAW strikes

DETROIT — The United Auto Workers union overwhelmingly ratified new contracts with Ford and Stellantis, that along with a similar deal with General Motors will raise pay across the industry, force automakers to absorb higher costs and help reshape the auto business as it shifts away from gasoline-fueled vehicles. Workers at Stellantis, the maker of Jeep, Dodge and Ram vehicles, voted 68.8% in favor of the deal. Their approval brought to a close a contentious labor dispute that included name-calling and a series of punishing strikes that imposed high costs on the companies and led to significant gains in pay and benefits for UAW workers. The deal at Stellantis passed by a roughly 10,000 vote margin, with ballot counts ending Saturday afternoon. Workers at Ford voted 69.3% in favor of the pact, which passed with nearly a 15,000-vote margin in balloting that ended early Saturday. Earlier this week, GM workers narrowly approved a similar contract. The agreements, which run through April 2028, will end contentious talks that began last summer and led to six-week-long strikes at all three automakers. Shawn Fain, the pugnacious new UAW leader, had branded the companies enemies of the UAW who were led by overpaid CEOs, declaring the days of union cooperation with the automakers were over. After summerlong negotiations failed to produce a deal, Fain kicked off strikes on Sept. 15 at one assembly plant at each company. The union later extended the strike to parts warehouses and other factories to try to intensify pressure on the automakers until tentative agreements were reached late in October. The new contract agreements were widely seen as a victory for the UAW. The companies agreed to dramatically raise pay for top-scale assembly plant workers, with increases and cost-of-living adjustments that would translate into 33% wage gains. Top assembly plant workers are to receive immediate 11% raises and will earn roughly $42 an hour when the contracts expire in April of 2028. Under the agreements, the automakers also ended many of the multiple tiers of wages they had used to pay different workers. They also agreed in principle to bring new electric-vehicle battery plants into the national union contract. This provision will give the UAW an opportunity to unionize the EV battery plants plants, which will represent a rising share of industry jobs in the years ahead.