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Dodge Challenger SRT Demon TransBrake eliminates the need for brake torquing

Performing the perfect launch is key to drag racing. In order to get consistent starts, the engineers behind the Dodge Demon developed TransBrake, a system that holds the output shaft of the automatic transmission to keep the vehicle stationary until launch. Rather than the traditional method of two-foot brake torquing, the system is triggered by pulling the shift paddle for quick and consistent launches. According to Dodge, the main benefit of TransBrake versus a two-foot setup is a quicker power delivery and higher engine launch torque potential. The system gives brake-free launches up to 2,350 RPM, a 105-percent increase in launch boost pressures, and a 120-percent increase in engine launch torque. Dodge also claims that using the paddle provides a 30-percent better reaction when compared to using your feet. In addition to shifting duties from your feet to your hands, the Demon's TransBrake will preload the driveline. Torque is loaded at the wheels, not the transmission. That means full torque delivery 150 milliseconds after the shift paddle is released. It should also help reduce the driveline shock that occurs when those 315 section rear tires get near-instant grip. The reveal is coming near. Continue checking out Autoblog and ifyouknowyouknow.com every Thursday until the New York Auto Show. Related Video: This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings. New York Auto Show Dodge Coupe Performance drag racing dodge demon dodge hellcat drag strip

Marchionne nixes talk of a reborn Dodge Viper

UPDATE: According to Automobile Magazine's Todd Lassa, FCA chief Sergio Marchionne shot down the idea of a reborn Viper, saying "it's not in the plan." Marchionne was referring to Fiat Chrysler's five-year plan, which we've been covering in bits and pieces as the news filters out. But it's not out of the realm of possibility, apparently, as Marchionne reportedly said he'd be happy to see the reptilian supercar back in production. And it's not all bad news, anyway. A reborn Alfa Romeo 8C will get a carbon-fiber chassis holding a mid-mounted twin-turbo V6. With more than 700 horsepower, including an electrically-driven front axle, the car should hit 62 mph in fewer than 3 seconds. Also, three versions of a Maserati Alfieri will be produced, including a convertible. An electrified all-wheel-drive powertrain is planned. So, performance is coming from FCA, it just may not be from Dodge. View 36 Photos First came the mourning for the Dodge Viper, which ended production last year. Then came the Viper's continued sales run as a "Zombie Car;" we just wrote about how the Viper has racked up 11 sales so far this year, two of them in April. Now Car and Driver reports that the two-seater snake will return shorty for its second encore after being discontinued in 2009. The mag isn't equivocal about it, either, writing, "trust us: A new Viper is happening." It won't, however, be the same Viper that brought ten-cylinder brass knuckles to shake down other coupes for their wallets and jewelry. CD says we should expect the same front-mid-engine layout and rear-wheel drive tucked into a new spaceframe. That engine will lose two cylinders, with Chrysler's next-gen, aluminum-block V8 Hemi slotting into the engine bay. The previous Viper's V10 had grown to 8.4 liters and 640 horsepower by the time it drove into the sunset. CD guesses the coming Viper will start with a naturally-aspirated version of the Hemi V8 working up around 550 horsepower. Healthy doses of aluminum and carbon fiber would restrain the car's weight, on top of the weight loss from swapping an iron V10 for an aluminum V8. SRT could tart up the horsepower with a few performance trims, before a supercharged V8 with 700-plus horsepower arrives at some point after launch. The mag also suspects the initial offering will be a convertible, the hardtop appearing "a few years after launch," which could coincide with the more powerful engine. A row-your-own shifter will sit between the seats.

NHTSA is investigating FCA shifters for roll-away accidents again, this time the rotary units

It seems FCA's shifter troubles aren't over yet. Now, just a few months after issuing a recall to resolve user-related issues with its monostable shifters, the company is again under investigation by NHTSA. The issue is related to the potential for cars to roll away when the rotary-style shifter is not properly placed in park. Two FCA models are the subject of this investigation: the 2013–2016 Ram 1500 and the 2014–2016 Dodge Durango. NHTSA estimates about 1,000,000 vehicles would be affected if a recall is issued. The investigation was started following 43 complaints of vehicles rolling away while supposedly being in "park." Among the complaints were reports of 25 crashes and 9 injuries. NHTSA does point out that in every incident, the parking brake was not engaged. A representative from FCA also gave us an official statement regarding the investigation: "FCA US is cooperating fully with NHTSA's investigation, the scope of which is limited. Other vehicles equipped with rotary shifters are not included. In accordance with prudent practice, the Company joins NHTSA in urging all drivers to use their vehicles' parking brakes." View 35 Photos As mentioned above, other Chrysler products with rotary shifters, such as the Pacifica minivan and 200 sedan, are not involved in this investigation. One of the key differences, as the representative told us, is that these vehicles have electronic parking brakes that automatically engage if the driver does not select park and then opens the door with the seatbelt unbuckled. The Ram 1500 and Durango feature mechanical, manually operated parking brakes and therefore cannot activate the brake automatically. Because this is currently an investigation, an exact cause for the incidents has yet to be determined, and none of the vehicles have been recalled. It's possible there could be a mechanical defect. However, the issue could be a confusing interface causing user error, as was the case with FCA's monostable shifters, where drivers think they've put the car in park but actually haven't. Something that indicates it could be a case of confused users is that NHTSA also opened an investigation into 2012–2014 Jaguar XF and Land Rover Range Rover Evoques for similar issues. Both vehicles use a rotary shifter and have had roll-away complaints levied as well. Even if it is a case of user error, FCA and Jaguar Land Rover may still have to recall their vehicles.