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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.

2019 Dodge Challenger SRT Hellcat Redeye is the Demon spawn

The Demon has passed from us, but the Demon's spawn are here, so please allow them to introduce themselves. A new demi-Demon trim level has been anointed as the 2019 Dodge Challenger SRT Hellcat Redeye. Plus there's an updated Challenger SRT Hellcat and new Challenger R/T Scat Pack Widebody. Like with the Charger introduced this morning, they have inherited some of the best parts from the Demon. The Hellcat Redeye is possessed by the Demon's howling supercharged 6.2-liter Hemi, making 797 horsepower and 707 pound-feet of torque. Dodge proclaims it the "most powerful production V8" and "quickest production muscle car," with a 0-60 time of 3.4 seconds and quarter-mile time of 10.8 seconds at 131 mph. Top speed: 203 mph. Dodge can claim these superlatives, of course, because the 840-horsepower Demon's limited production run has ended. The Hellcat Redeye's Hemi is paired with an eight-speed automatic. Dodge says the powerplant gets 25 major component upgrades, including a larger supercharger (2.7 liters, up from 2.4) with higher boost pressure (14.5 psi, up from 11.6), strengthened connecting rods, pistons and valve train, high-capacity fuel injection system and improved lubrication. It gets a second fuel pump and a higher redline of 6,500 rpm. Theoretically, if you were someplace where you could operate at full throttle without letting up, Dodge says the Hemi would drain the fuel tank in under 11 minutes. Yet the car gets a 22 mpg highway rating from the EPA. View 30 Photos It also has the Torque Reserve system that starts building boost before launching, as well as the air conditioned intercooler to provide extra cool intake air. Both of these were features in the Demon. Furthermore, if the standard 2.62:1 final ratio isn't quick enough for you, Dodge offers a 3.09:1 rear axle. The Challenger SRT Hellcat Redeye also comes with the Demon and Hellcat Widebody's fat fender flares. It's an unsurprising inclusion, since you'll want as much tire as possible for all that power. Now, a mere clear-eyed Challenger SRT Hellcat gets a 10-horse boost for 2019 to 717 horsepower, and a smidge more torque at 656 pound feet. A six-speed manual transmission is standard, and an eight-speed automatic is an option. Both Hellcat models get the new dual-snorkel hood we've seen in spy shots. It's meant to evoke 1970s Dodge muscle cars. Dodge says the airflow from the hood alone reduces engine temperature by 4 degrees Fahrenheit.

Junkyard Gem: 1991 Dodge Monaco LE

When Chrysler took over the American Motors Corporation in 1987, the hot-selling Jeep brand was the big prize of that deal. At a stroke, Iacocca's company got the XJ Cherokee (which remained in production into our current century) plus its Comanche pickup sibling, the Wrangler, the Grand Wagoneer, and the AMC Eagle as bonuses. The Eagle gave its name to Chrysler's new marque, which worked out well for quite a few years, and of course the PowerTech V8 engine began life as an AMC design. Yes, Chrysler made out like a bandit on the AMC purchase, but one of the most important acquisitions that came with that coup ended up being a Renault design from the last gasp of Kenosha: the Eagle Premier. Genetic material from this car made its way into Chrysler products for decades to come, and the Dodge Division got the opportunity to slap Monaco badges on the Premier for the 1990 through 1992 model years. Here's one of those super-rare cars in a Denver self-service yard. Dodge sold plenty of Detroit-designed Monacos from the 1965 through 1978 model years, and so the name seemed ripe for a revival in 1990. We rated the 1974 Dodge Monaco "Bluesmobile" #3 on the Best Movie Cars of All Time list, and Monacos may be found in countless cop movies and TV shows over the decades. Did the name belong on a Renault design? Absolutely! The radical-looking and big-selling Chrysler LH cars were built on a modified Eagle Premier chassis, enabling Chrysler to print money from a 1980s Renault design all the way through 2004. After that, Mercedes-Benz engineering (with a dash of Mitsubishi thrown in for good measure) got stirred into the mix, but I'm told by a Chrysler engineer that you can still see the Renault 25 structure beneath the dashboard in modern Challengers and Chargers. All of this comes thanks to Lee Iacocca's score of that advanced European car way back in 1987. One thing from the Premier that Chrysler dropped like a monkey dropping a red-hot penny once production of the Premier/Monaco ended: the PRV V6, a sophisticated-but-flaky overhead-cam V6 originally developed by a partnership between Peugeot, Renault, and Volvo (hence the acronym). This engine achieved its greatest fame as the powerplant that went into the DeLorean DMC-12. You could get the chugging AMC 2.5-liter straight-four in the Eagle Premier, but all the 1990-1992 Monacos got the 3.0-liter PRV, rated at 150 horsepower.