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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.

Jeep Grand Cherokee, Dodge Durango still catching fire after recall

Automakers issue recalls all the time. It's part of the cost of doing business. We just assume that once the recall has been carried out, the problem in question has been fixed. But that's not always the case, as this latest investigation being undertaken by the National Highway Traffic Safety Administration goes to show. The problem stems back to a recall issued by Chrysler last summer. It revolved rather the sun visor in the SUVs it makes at its Jefferson North Assembly Plant – specifically, the screw affixing the sun visor could end up rubbing against the wiring for the lamp in the vanity mirror, potentially causing an electrical short and even a fire. 62 such short circuits, 38 fires and three injuries reported, prompting Chrysler to recall nearly 900,000 units of the 2011-2014 Jeep Grand Cherokee and Dodge Durango (over 650,000 of them in the United States). The plastic spacers they installed to rectify the problem, however, may not have done the trick. Eight reports (but none involving injuries) have been filed with the NHTSA regarding the same issue recurring, spurring the government agency to open a new investigation into the matter. If deemed necessary, the NHTSA could ask FCA to issue another recall to fix the issue again, which we may necessitate the installation of a fuze to prevent any such the electric short. Related Video: INVESTIGATION Subject : Headliner Fires Date Investigation Opened: MAY 01, 2015 Date Investigation Closed: Open NHTSA Action Number: RQ15003 Component(s): ELECTRICAL SYSTEM , INTERIOR LIGHTING Manufacturer: Chrysler (FCA US LLC) SUMMARY: On July 1st, 2014 Chrysler (FCA US LLC) issued safety recall 14V-391 to remedy a wiring-related fire hazard on the headliner of approximately 661,888 model year (MY) 2011-2014 Jeep Grand Cherokee and Dodge Durango vehicles manufactured between January 5, 2010 and December 11, 2013. The recall was in response to the Office of Defects Investigation (ODI) investigation EA14-001 during which data provided by Chrysler indicates that the fire is caused by an electrical short in the vanity lamp wiring for either one of the sun visors mounted on the vehicle. The sun visors are mounted to the roof of the vehicle through the headliner with three metal screws.

China own a Detroit automaker? Would the U.S. let that happen?

The news that several Chinese automakers want to buy Fiat Chrysler Automobiles, and that one has even made an offer, elicits some mixed feelings. On one hand, as some have pointed out, it could be a win-win both for China and for FCA's American workers, ensuring the company's survival and opening new markets. On the other hand, this is China, whose trade relationship with the U.S. is the source of considerable scrutiny from the Trump administration — and whose not-a-friend, not-an-enemy status is particularly difficult to gauge right now during heightened tensions with its client state North Korea. So would such a deal pass regulatory muster? One reason that springs to mind for blocking any sale has to do with national security. Chrysler's role as a military supplier dates back to Dodge trucks used by Gen. Blackjack Pershing to chase Pancho Villa in Mexico, and shortly thereafter by American forces in World War I. The Detroit Three automakers were, of course, mainstays of the Arsenal of Democracy of World War II. Even before U.S. entry into the war in December 1941, America's industrial machinery went into overdrive, and Chrysler was one of the biggest cogs. It engineered and built the M3, Sherman and Pershing tanks and trucks for Gen. George Patton's Redball Express. It helped develop a radar-guided antiaircraft gun that knocked German bombers and V1 rockets out of the sky — on one day, shooting down 97 of 101 V1s headed for London. On D-Day, the radar system helped thwart Luftwaffe counterattacks on the beaches of Normandy, and it later helped Allied forces break out at the Battle of the Bulge. Chrysler redesigned the Wright Cyclone engines used by the Boeing B-29 Superfortress, the plane that firebombed Tokyo and dropped the atomic bombs that ended the war. Chrysler even played a secret role refining uranium in Oak Ridge, Tenn., that was used in the Hiroshima bomb and in the ensuing Cold War arms race. It worked on military missiles and was NASA's prime contractor for the Saturn V rocket that put men on the moon. More recently, Chrysler produced the M1 Abrams tank. And of course Chrysler is the keeper of the flame for Jeep, a 75-plus-years military legacy handed down from Bantam and Willys to Kaiser to AMC to Chrysler. The point of this history lesson is to note that in times of war or national emergency, America's industrial might has been called to serve, and may well be called on again.