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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.

Fiat Chrysler faces $79 million U.S. penalty for fuel economy shortfall

WASHINGTON — Fiat Chrysler Automobiles NV on Wednesday said it faces a $79 million U.S. civil penalty for failing to meet 2017 fuel economy requirements, as regulators reported more automakers were falling short of U.S. greenhouse gas emissions standards. The Italian-American automaker said the payment is not expected to have a material impact on its business. Of 18 major carmakers in the United States, 13 including Fiat Chrysler failed to comply with fuel economy and greenhouse gas emissions standards for the 2017 model year without using credits, according to the National Highway Traffic Safety Administration (NHTSA). The agency said its review of model year 2017 vehicles showed "automakers falling further behind current standards." The 2017 model fleet fell 1 1/2 miles per gallon short of the 33.8 mpg standard based on yearly performance without including credits, NHTSA reported. The shortfall was a half-mile per gallon for the 2016 model year. NHTSA said more automakers were failing to comply with standards for the 2018 and 2019 model years, "and the potential penalties on automakers, which are passed along to consumers, are expected to continue to increase." The Trump administration has used the widening gap between the emissions of automakers' U.S. fleets, which are skewing toward larger vehicles, and national vehicle CO2 emissions standards to bolster its case for freezing vehicle emissions and mileage standards at current levels through 2026. Environmental groups and regulators in California and other states are fighting against any rollback in standards, saying tough rules are needed to address climate change and reduce consumer outlays for fuel. NHTSA and the Environmental Protection Agency are working to finalize as early as next month a rewrite of the Obama administrationÂ’s fuel efficiency requirements, which call for sharp reductions in fleet-wide emissions by 2026. Fiat Chrysler is paying fines for the shortfall in its domestic passenger car fleet, which includes several front-wheel-drive Jeep and rear-drive Dodge SUVs and some sedans and muscle cars. The automaker killed its slow-selling domestic small and midsize sedans. After paying $77.3 million last year for a 2016 model year fuel-economy shortfall, a Fiat Chrysler spokesman confirmed Wednesday the company had received a letter on the 2017 penalty and has 60 days to pay the fine.

Dodge Viper returning to Le Mans this year?

If you were among the fans disappointed by Chrysler's recent decision to end the Dodge Viper's racing program, we may have some good news for you, as the racing outfit behind the campaign is reportedly working to bring the American supercars back to Le Mans this year. That racing outfit is Riley Technologies, a constructor perhaps best known for its Daytona Prototypes, but it has also prepared its share of GT racers, too. Chrysler charged Riley with leading its racing program for the new Viper GTS-R, campaigned it in the United SportsCar Championship and the 24 Hours of Le Mans. Auburn Hills made the unfortunate decision back in March to pull its Vipers out of Le Mans, and then in October to withdraw from the US series, as well, thereby effectively ending the program altogether. Disappointed though it surely was, Riley remains defiant. The North Carolina-based company is planning on taking the existing Vipers back to Le Mans on its own, with or without factory support. The Viper has, after all, proven a capable machine, having taken both the drivers' and teams' titles in the United SportsCar Championship this past season. "With Le Mans, every driver and every manufacturer needs to have their first trip there, and it isn't always what you want it to be, but we did show reliability and did have some pace," Bill Riley told Racer.com. "Since then, we've worked hard on the cars, they're now strong, front-running cars in the US, and we're working with the ACO on the BoP to make sure the cars are strong at Le Mans. They're super-reliable and fast, and we'd expect to be right in the mix with the other cars." Riley has kept the existing support staff in place, and once it secures its driver lineup and sponsors, chances look good that it could represent America well at Le Mans this year in either the GTE Pro or GTE Am class. Its predecessor did, after all, complete a three-year winning streak that saw it dominate the GTS class right up until its withdrawal in 2000. News Source: Racer.comImage Credit: FCA Motorsports Dodge Coupe Racing Vehicles