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Chrysler recalls AWD 300, Charger, Ram 1500 over ZF transmission

What do the Chrysler 300, Dodge Charger and Ram 1500 all have in common? Yes, they're all Chrysler products, and two of them are based on the same platform. And we're sure you could find more similarities between them all, but the common trait we're looking at here is that, while they all come standard in rear-drive form, they're also available with all-wheel drive. And it's the transmission in those models that's the subject of the latest recall notice issued by the National Highway Traffic Safety Administration.
The output shaft on the eight-speed automatic transmission supplied by ZF to Chrysler for the AWD versions of the 300, Charger and Ram 1500 is apparently prone to fracture. That in the end could leave the vehicle without power and could, according to the NHTSA investigation, increase the chance of a crash. The vehicle could also roll away if even if left in Park without the handbrake applied.
That's why Chrysler is calling in 4,194 examples of those three models from the 2013 model year. Dealers will be responsible for inspecting the transmissions and, where necessary, replace the entire unit. See the full recall notice below for all the details.

2016 Dodge Viper ACR racks up lap records

With 645 horsepower and an adjustable spoiler nearly six feet wide, the 2016 Dodge Viper ACR would look at home on the runways of most any airport, air base, or aircraft carrier in the world. But it's not built for the runway. It's built for the race track. And it has positively mastered them one after another. In fact, the new Viper ACR has not only beat the lap times of its own predecessor as it set out to, but took the production-car lap record at 13 tracks across the country. The endeavor started out at the Inde Motorsport Ranch in Arizona, where development engineer Chris "The Wolf" Winkler set a lap time of 1:33.75 on the Configuration 4 track to beat every other street-legal vehicle to ever lap the circuit. Then it was off to Buttonwillow, the MotorSport Ranch (in Cresson, TX), Big Willow, VIR, Grattan, Pittsburg, GingerMan, the Motown Mile, Nelson Ledges, Waterford Hills, and Road Atlanta. And with the new American Club Racer, Dodge took the lap record at each and every one. The journey culminated just days ago at Laguna Seca, where track expert Randy Pobst climbed into the Viper ACR and set a lap time of 1:28.65. That's 5.27 seconds faster than the previous ACR's time, and 1.24 seconds faster than the Porsche 918 Spyder that held the record until now. The sum total is a bragging-rights sheet of lap records set at 13 tracks across these United States. And you don't have to take Dodge's word on that. The records have been certified by the Sports Car Club of America (SCCA), cementing the ACR's place in the record books. Nice work if you can get it, and you can scope it out in the video above and press release below. Related Video: 2016 Dodge Viper ACR Is Undisputed Track Record King - Ultimate street-legal race car sets new high-performance benchmark with more track records than any production car in the world - Sports Car Club of America (SCCA) has certified lap records at 13 road courses, including world-famous Laguna Seca, Road Atlanta and Virginia International Raceway - With 645 horsepower and more torque than any naturally aspirated engine in a production car, the ACR is purpose built for weekend club racers who want the most extreme, but street-legal, track car available - Significant aerodynamic and suspension upgrades, new Carbon Ceramic brakes with six-piston calipers from Brembo and high-performance Kumho tires, specifically designed for the new 2016 ACR, set this Viper apart on any road course November 3, 2015, Auburn Hills, Mich.

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.