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Here's what it'll take to build a Jeep Grand Cherokee Hellcat

Let's get one thing straight: We want a 707-horsepower Grand Cherokee Hellcat to happen. Badly. The latest report from Motor Authority is encouraging; the bonkers SUV supposedly has a codename, Project K, and has been given the green light for production. Fingers crossed. You might be wondering why the Trackhawk isn't already a thing. Hellcat engines exist, SRT Grand Cherokees exist, so just combine the two, right? It's not quite that easy. Here, we outline what needs to happen, why it should be the quickest Hellcat vehicle out there, and why it won't come anywhere near 200 miles per hour. How To Build A Hellcat Jeep The first engineering problem is feeding the air-intensive beast that is the 6.2-liter supercharged V8. The first engineering problem is feeding the air-intensive beast that is the 6.2-liter supercharged Hellcat V8. Breathing is important on two counts: pulling in enough air for the combustion to put out 707 hp, and then cooling the various heat exchangers once the engine is up to temperature. Dodge did it with the Charger and Challenger, it can do it with the Jeep. This is one place where the Grand Cherokee's larger frontal area might be a boon, as it gives the engineers more surfaces through which to suck air. Once you generate the 707 horsepower and 650 pound-feet of torque, it has to get to the wheels somehow. Jeep's current SRT all-wheel-drive system will at least need some beefing up to handle the torque. It could require a more complete re-engineering. We at least know the ZF-supplied eight-speed auto, used in the Dodge Hellcat models, is up to the task. The Hellcat engine should fit in the Grand Cherokee, as it's about the same size as the 6.4-liter currently in SRT Jeeps, but the Hellcat is taller because of its supercharger. The hood may need to be raised or at least resculpted for clearance, as well as to address those cooling needs. Quicker Than Everything, But Not Faster 200 mph? We're skeptical, from both a physics standpoint and a legal one. A reminder of the quick/fast distinction: quick is acceleration, fast is road speed. The Jeep's all-wheel drive will help put the Hellcat engine's power to the ground in a more manageable way than the Charger and Challenger do through just the rear wheels. That means better acceleration times than the Dodges (11.0 seconds in the quarter-mile for the Charger Hellcat, 11.2 for its Challenger sibling).

2018 Jeep Wrangler will have an aluminum hood and doors, leaked memo says

Earlier this year, FCA CEO Sergio Marchionne revealed that 2018 Jeep Wrangler would feature a heavy dose of aluminum, though he didn't specify how. Now, JL Wrangler Forums says the Wrangler will use the material for the hood and the doors, citing an internal bulletin from aluminum supplier Alcoa. According to the forum, the company says the next-gen Wrangler will utilize Aloca's C6A1 (an internal name) high form alloy. The SUV will also get 6022 and A951 from Alcoa that will be used on the SUV's front and rear doors, as well as for the hood. Alcoa's C6A1 is the company's new high form alloy, while its 6022 alloy sheet can be found on things like a car's hood, door, or closure panels. Alcoa's A951 is the company's pre-treatment aluminum sheet bonding technology that it uses on automobiles. "A team in the Farmington Hills (Michigan, USA) Aerospace and Automotive Products group is leading a new profitable growth opportunity with the 2018 Jeep Wrangler program. The next generation Jeep becomes the first to utilize our C6A1 high form alloy; we are currently the only supplier of this high form product. Alcoa will also supply 6022 and A951, including front and rear door inners, hood outer and inner." As Marchionne pointed out earlier this year, the 2018 Wrangler won't be made entirely out of aluminum. So Alcoa's contribution to the upcoming SUV's doors and hood could be the only components that use the lightweight metal – or Jeep could be using another aluminum supplier for other parts. Large changes lie ahead for the 2018 Wrangler, which include a pickup version, new engines, and aluminum. But we do know that the next Wrangler is that it will be built in Toledo, OH, as FCA announced plans to spend $1.05 billion to retool the Wrangler factory, while also adding another site in Illinois earlier this year. Related Video:

Ford Explorer, Jeep Grand Cherokee flunk IIHS passenger-side crash test

The Insurance Institute for Highway Safety (IIHS) has uncovered major safety-related problems while crash testing a number of popular midsize SUVs. Among those that scored an overall rating of "poor," the lowest possible score, are the Ford Explorer and Jeep Grand Cherokee. Both SUVs showed a high risk of injury to a front passenger during the IIHS' passenger-side small overlap front crash test. This test simulates what might happen if a car or SUV strikes an immovable object, like a telephone pole, at 40 mph and with roughly 25-percent of its front width. "Although some vehicles in this group offer very good protection, in other models, the airbags, safety belts and structure showed serious deficiencies," says IIHS chief research officer, David Zuby. "In those SUVs, a front-seat passenger would be at risk of injuries to the head, hip or leg in a right-side small overlap front crash." In the 2018 Ford Explorer, the front of the SUV showed the structure was "seriously compromised" during both driver- and passenger-side small overlap crash testing, according to the IIHS. The lower and upper door hinge pillar showed intrusion levels of 15 and 13 inches, while the door sill itself was pushed inward 6 inches toward the crash test dummy. The IIHS states these results indicate a high probability that a front occupant would suffer injuries to their right hip and lower left leg. The 2018 Jeep Grand Cherokee didn't fare much better. Not only did the Jeep exhibit 10 inches of intrusion at the lower door hinge pillar, the front passenger crash test dummy's head hit the dashboard through the front airbag. Worse still, the side curtain airbag didn't deploy and the front passenger door opened. The IIHS says there is a strong chance this would result in right leg injuries, along with the possibility of a serious head injury. Even vehicles that earned an "acceptable" in the small overlap front crash test showed definite room for improvement. The 2018 Honda Pilot, for example, showed good structural performance during the crash itself. But the front passenger crash test dummy's head slid off the deployed airbag and hit the dashboard hard, indicating a head injury might result in a similar real-world crash scenario. Two other SUVs that scored "acceptable" ratings included the 2018 Nissan Pathfinder and 2018 Toyota Highlander. Scoring top marks of "good," the highest rating, in these IIHS crash tests were the 2018 Volkswagen Atlas, 2018 GMC Acadia, and 2019 Kia Sorento.