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Chrysler almost smothered the Hellcat before it lived

Chrysler's 6.2-liter supercharged Hellcat V8 was an absolute sensation from the very moment it was announced, and honestly, how could it not have been? Packing 707 horsepower and 650 pound-feet of torque, its numbers immediately put every other production muscle car (and many supercars) to shame. Plus, we soon learned that would be wrapped in a package retailing for around $60,000 - a pittance compared to other vehicles offering similar grunt. However, the Hellcat almost never got the chance to rumble under the hood of the Challenger and Charger.
The Hellcat was initially proposed back in 2011, back when Fiat was deciding its future strategy for Chrysler Group, according to Automotive News. At the time, the company was just emerging from its bankruptcy doldrums, and an ultra-high-performance V8 wasn't exactly a must-have item. The program didn't move forward. However, SRT engineers kept fighting, according to AN, and four months later, they received the green light to pull the project off the shelf and continue developing the Hellcat. The muscle car world is certainly better for that decision.
The work of those engineers focused on taking Chrysler's standard 6.2-liter V8 and making it reliably handle all of the extra power from the supercharger. "It came down to micron levels of changes in the crank to be able to withstand the pressures of the engine," said Chris Cowland, director of advanced and SRT powertrain, to Automotive News. The changes amounted to switching out about 91 percent of the parts to make the Hellcat, including some quite minuscule alterations. For example, the washer holding the supercharger pulley is embedded with industrial diamonds to keep it from slipping.

Dodge Challenger spied exercising supercharged Hellcat Hemi V8

One of the prime complaints against the Dodge Challenger is that, even in SRT8 guise, its 470 horsepower is responsible for hauling over 4,200 pounds of vehicle. For comparison, the 420 hp in the Ford Mustang GT only has to deal with 3,618 lbs. Things only get worse from there, as the higher-performance variants of both the Mustang and the Chevrolet Camaro are far more powerful than an SRT8 without adding on much heft.
So what is Chrysler to do? The correct answer is add a whole lot more grunt to its hefty two-door and even the odds. That's where the all-new Hellcat engine comes into play. We reported on this engine in May, and suggested that the Hellcat, a supercharged powerplant based on a 6.4-liter V8, would easily generate 500 to 570 hp and could likely arrive boasting more than 600 ponies.
Chrysler's ace in its sleeve has now been spied testing, with a number of Hellcat-equipped Challengers running the potent new engine both in more urbanized areas and under the sun of Death Valley. The hoods on these testers have been raised to accommodate the engine, and that camouflage over the fascias of these prototypes is there to hide a larger air intake. We also note what appears to be a new split grille under wraps. As for power output, our spies are now suggesting a Viper-equalling 640 hp from the Hellcat-equipped cars.

2018 Dodge Challenger GT Drivers' Notes Review | The right car for the season

Associate Editor Joel Stocksdale: Dodge uses the Challenger GT trim to denote its V6 all-wheel-drive model, but it seems apt for reasons besides that. The Challenger, even with a V6, is an excellent, affordable American grand tourer. It's still extremely stylish, despite barely changing looks since Dodge introduced it for the 2008 model year. The solid gray on this one was particularly attractive. It also seemed appropriate considering the Challenger's battleship size. This thing is truly massive. That's beneficial in the sense that it has an enormous trunk (perfect for touring), but not so much for maneuvering. But thankfully, it's easy to spot the corners, which helps a lot. The Challenger GT is a pretty able handler, too. It feels composed in corners, not too heavy, only mild body roll, and steering that weights up very naturally. The ride is relatively comfortable. It takes the edge off of most pavement imperfections, but you feel more than you might expect. So the Dodge Challenger GT has the style, space, and a decent balance of sportiness and comfort — which just leaves one thing left to address, the powertrain. And as it turns out, the V6 actually works quite nicely in the big Dodge. Under full throttle, you get an angry, throaty honk from the intake that, while not as smooth and classic as a V8, is still fairly satisfying. It also has more than adequate acceleration, if not exhilarating. It's a combo that makes not only a fun affordable GT car, but just a solid commuter with an extra dose of style. The only caveat is that if you need something more truly sporty, you may still want to look at a Camaro or Mustang. Associate Editor Reese Counts: I spent the latter half of last week in Idaho and Wyoming driving a pretty sweet Nissan 370Z in the snow. That car was equipped with tracks and skis and allowed me to do some pretty dumb things with few repercussions, though it was one of the loudest and most uncomfortable cars I've ever driven. Coming home to Detroit and a Destroyer Grey Challenger GT was a very nice change of pace. The thing is, this car is still plenty capable in the snow. I like the Challenger quite a bit, especially in the bonkers Hellcat and Demon guise. But not everyone needs a 700-plus horsepower brute that guzzles gas with a nearly unequalled thirst. The Challenger GT checks a lot of boxes. It looks good, it's comfortable, roomy and thanks to all-wheel drive, genuinely usable year round.