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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.

2015 Dodge Charger R/T Scat Pack Quick Spin

"Scat Pack" is plucked from The Big Book of Dodge Nameplates to describe what is basically the average of the Charger R/T and Charger SRT 392. Unnecessary horsepower always seems to go down better with a dose of heritage. If you think it's a silly name, just be thankful Dodge didn't call it an S/RT or an R/T-S. In previous years, a similar formulation was known as the SRT8 Super Bee. Going by another name, it's still as sweet and wears the same hurried-looking pollinator on the grille. We do wonder: What has displeased him so, and why does he have wings and wheels? The packaging is at least fresh. All Chargers get updates for 2015, including improved interiors and a Dart-on-steroids exterior redo. The new lines work especially well on the more aggressive models, including this Scat Pack car. Like the Super Bee before it, the Scat Pack gets the 6.4-liter engine from SRT 392; for 2015 it gets a slight output boost to 485 horsepower and 475 pound-feet of torque, respective increases of 15 and 5. It does without the SRT three-mode suspension and comes with cloth seats (leather is an option) to keep the price down. The Scat Pack also has slightly smaller Brembo front brakes, narrower wheels, and different rubber. It does, however, cost eight grand less and is just as quick in a straight line. Intriguing. Driving Notes Scat Pack cars get an electronically controlled active exhaust that we'd call hyperactive. It's loud all the time, opening its widest at startup, idle, and when you ask for any appreciable amount of power. Sport mode supposedly makes a difference, but we couldn't discern loud from louder. It's a delicious and appropriate loudness, with a brassy trumpet tone to it, and the engine makes top-fuel noises at full tilt. The squeal of the rear tires can be heard from every stoplight no matter the road conditions. A light touch avoids leaving a mark if you're so inclined. We weren't. When the tires eventually smear into the realm of traction, this thing is pretty quick – hitting 60 miles per hour takes 4.5 seconds. There's also an adjustable launch control mode if you want to cut out some of the wheelspin. The eight-speed transmission shifts smoothly. Quicker, more-palpable shifts are had in Sport mode, but occasionally the transmission still needs a moment to drop down from seventh or eighth when you mash the throttle. Despite its two overdrive gears, this Charger is still loud on the highway. In a good way. Probably.

Dodge Charger Hellcat makes 1,032 hp with Hennessey help

Sometimes you just want four doors. Earlier this week we brought you Hennessey's riff on the Dodge Challenger Hellcat. Now comes the Charger. Much like its two-door sibling, the Charger gets boosted to as much as 1,032 hp and 987 lb-ft of torque (at the crank) thanks to the addition of a twin-turbocharging setup that works with the factory supercharger. The turbo headers and downpipes are stainless steel, and there is a high-flow air-to-water intercooler and dual-turbo waste gates. Hennessey also beefs up the fuel injectors, fuel pump, and the rest of the fuel system. The engine management system and chassis are recalibrated to accommodate all of this. You also get numbered plaques signed by John Hennessey, the boss of the Texas tuning outfit, and the technician who does your build. Hennessey's additions result in zero-to-60 mph sprints in 2.7 seconds, and the big sedan can run the quarter mile in 9.9 seconds at 142 mph. Like the Challenger, the Charger has the same disclaimer: the lofty horsepower figure comes from an engine dyno, and it will be a 15-to 20-percent lower at the rear wheels. Related Video: Image Credit: Hennessey Performance Dodge Performance Sedan Hennessey dodge charger hellcat