2012 Dodge Challenger Srt8 392 Coupe Stinger Yellow on 2040-cars

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The Dodge Demon gets a Drag Mode and a lesson in Newtonian physics

It's Thursday morning, which means we have more news on the upcoming Dodge Demon, the pumped-up Challenger Hellcat variant that's looking to cause mayhem at a drag strip near you. This week's video, "Third Law," shows the Demon's revised suspension in action and displays another one of SRT's cryptic messages. Dodge claims that the 6.2-liter supercharged Hemi V8 in the Hellcat twins is compromised because it's fitted to a car that needs to be comfortable on the street in addition to a performer on the drag strip. Not so with the Demon, as Dodge says the car is "designed to be highly competent in all drive modes and configurations," including the all-new Drag Mode. Dodge says details about the new mode will trickle out over the next few weeks, but all the info this week focused on suspension. The "Third Law" in this week's title refers to Isaac Newton and motion: "When one body exerts a force on a second body, the second body simultaneously exerts a force equal in magnitude and opposite in direction on the first body." We're not sure what Newton would have thought seeing the sidewall wrinkling Nitto NT05R drag radials in action, but he'd probably have a reaction of some sort himself. An ideal suspension setup for the drag strip makes for a poor setup on the road. As Dodge puts it, the "old school" way to set up a drag car was to "get the quickest reacting springs upfront, the softest rebound front shocks that wouldn't restrict the springs' reaction, remove any restrictions (sway bar) and increase the compression of the rear shocks." This would give a car great front to rear weight transfer but made for very poor lateral direction control, meaning minor corrections were difficult. The Demon's Drag Mode will use electronics to give the car the best combination of launch and lateral stability. Dodge listed some of the parts to help aid in this goal. They also gave us a few equations that we can't make sense of. Let us know if you have any clues. Hardware: 35 percent lower rate front springs/28 percent lower rate rear springs 75 percent lower rate hollow front sway bar/44 percent lower rate rear sway bar Drag-tuned Bilstein Adaptive Damping Shocks Software: Rear = F/F and Front = F/S F/F – F/S maintained @ wide open throttle (WOT) F/F – F/F < WOT Traction control disabled/ESC maintained Result: 13.5=575@500 Related Video: This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings.

2015 Dodge Challenger SRT 392

I've just started reading the third installment in a planned five-book biography of Lyndon Baines Johnson, Master of the Senate, written by the incomparable Robert Caro. Conveniently, a recent trip to drive the BMW X6 M and 228i Convertible was to be staged in Austin, TX, within easy driving distance of LBJ's birthplace, Johnson City. And yes, the city is named for his family. Having completed my duties with the Bimmers, I borrowed the spangled 2015 Dodge Challenger SRT 392 you see above, to squire me around the Texas capitol for a weekend, and as a lift out to the Hill Country homestead of our 36th President. Johnson City isn't exactly a road trip mecca, but there's a pretty good brewery, a museum, the reconstructed LBJ house to take snapshots of, and it's a nice drive to get out there if you've got a 485-horsepower muscle car at your disposal. Driving Notes With the heroic Hellcat, this 392 and the R/T Scat Pack (that Brandon Turkus reviewed recently), there are more SRT-treated Challengers to choose from than ever before. There are 707 obvious reasons that the Hellkitty is the top dog (as it were), but there are important difference between this 392 and the Scat Pack, too. Both cars make use of the 6.4-liter Hemi V8 putting out 485 horsepower and 475 pound-feet of torque, but the 392 also gets an adaptive suspension, six-piston Brembo brake calipers (instead of four-piston), wider tires, leather and Alcantara seats, a heated steering wheel, a louder stereo and HID headlights. When LBJ was campaigning for his seat in the House of Representatives, he would've loved to have something as potent as this monster of a V8 under the hood of his canvassing car. The 6.4L snorts with authority before it sends the big coupe forward to just about any speed I'd ask of it, and with a quickness. Johnson was known for haranguing drivers to step on it, when all that stood between himself and a few more votes was the ability to fit one more stump speech into the day. The 392 feels as though it could cover a quarter of the state of Texas in a morning if you throttle down deep enough (faster even than the Johnson City Windmill, I'd guess). Though there's a six-speed manual available, I'm actually quite fond of the eight-speed automatic in the 392. The two-pedal setup better suits the fast-cruiser attitude of the car, and it never served up any poorly conceived shift logic when I left it in D. Of course, the roads are better now than they were in the 1930s and 40s, too.

Dodge recalls 121,603 examples of Dart for loss of brake assist

Dodge will recall 121,603 worldwide examples of the 2013-2014 Dart with the 2.0- and 2.4-liter engines because of possible loss of power brake assistance. The company reports two minor injuries and seven accidents potentially related to this problem. The affected models have build dates before Jan. 24, 2014. There are 105,458 of these vehicles in the US; 11,996 in Canada; 3,705 in Mexico; and 444 outside of NAFTA. This campaign doesn't affect Darts with the 1.4-liter engine. These vehicles' brake-booster vacuum tube routing can potentially allow oil to access and eventually to degrade the brake booster diaphragm. If this happens, then the vehicles could lose braking assist. The brakes themselves would continue to work, but the driver would experience longer stopping distances. A pop or similar sound of a vacuum leak sometimes precedes the problem, according to the automaker. Dealers will inspect the components and replace the vacuum tube. If technicians find oil in the tube, they'll also swap out the vacuum pump, brake booster, and master cylinder. Affected owners will receive notice from the company within the next 60 days. Statement: Vacuum-tube Assembly December 3, 2015 , Auburn Hills, Mich. - FCA US LLC is voluntarily recalling an estimated 105,458 compact sedans in the U.S. to inspect and replace vacuum-tube assemblies and certain other components, as required. Some of the affected vehicles may be subject to oil migration that could affect their brake systems' power-assist feature. Foundation brake function is unaffected. However, if this condition occurs, the driver may notice hard pedal-feel on brake application, and longer distances may be required to stop the vehicle in emergency situations. An FCA US investigation identified certain model-year 2013-14 vehicles equipped with 2.0-liter and 2.4-liter engines, may have brake-booster vacuum-tube routing that inadvertently allows oil to reach the brake booster diaphragm, if ever the vacuum-pump check valve fails. Oil may degrade the diaphragm and lead to a loss of brake-assist – a feature that helps reduce stopping distances. FCA US is aware of two minor injuries and seven accidents that are or may be related to this condition. The recall is limited to model-year 2013-14 Dodge Dart sedans produced before Jan. 24, 2014. It also affects an estimated 11,996 cars in Canada; 3,705 in Mexico and 444 outside the NAFTA region. Vehicles equipped with 1.4-liter engines are excluded.