1991 Jeep Mitsubishi J53 on 2040-cars

Auto blog

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).

FCA recalling 400k Jeep Wranglers, 40k Fiat 500s

The Basics: Fiat Chrysler Automobiles has issued two recall. The first is for 392,464 Jeep Wranglers in the US from the 2007-2010 model years for the steering wheel airbags. The second covers 39,217 examples of the naturally aspirated 2012-2016 Fiat 500 in connection with the clutch release mechanism. The Problem: In the Wranglers' steering wheel, excessive accumulation of dust and dirt from open-air driving off-road could compromise the clockspring in the steering-wheel assembly and prevent the airbag from deploying in the event of a crash. In the case of the Fiats, the clutch travel in a small percentage of vehicles equipped with manual transmissions "may exceed design parameters" and eventually damage components. Injuries/Deaths: No injuries or accidents been reported to result from either issue. The fix: Dealers will install new back covers and column shrouds in the Jeeps and upgrade the clutch release systems in the 500s. If you own one: Expect to hear from the manufacturer to arrange service. In the case of the Fiat recall particularly, FCA "urges customers to heed the instructions on their recall notices." Related Video: Statement: Clockspring May 18, 2016 , Auburn Hills, Mich. - FCA US LLC is voluntarily recalling an estimated 392,464 older-model SUVs in the U.S. to replace their clockspring assemblies and related components. Located in a vehicle's steering wheel, a clockspring forms part of the circuit that helps control airbag function. An investigation by FCA US determined excessive exposure to dust and dirt – consistent with extensive off-road driving or driving with a vehicle's top and/or doors removed – may compromise the clockspring and eventually prevent driver-side airbag deployment in a crash. If this condition is present, the airbag warning-lamp will be illuminated. If such an event occurs, customers are advised to contact their dealers. The Company is unaware any potentially related injuries or accidents. Affected by this campaign are model-year 2007-2010 Jeep Wrangler SUVs. An additional 7,435 model-year 2011-2016 vehicles equipped with right-hand drive for special duty also are affected in the U.S. Vehicles affected outside the U.S. comprise an estimated 35,412 in Canada; 8,529 in Mexico and 62,580 outside the NAFTA region. Customers will be advised when they may schedule service, which includes installation of a new steering-wheel back cover and a steering-column shroud.

2018 Jeep Wrangler to get 8-speed auto

Remember when the Jeep Wrangler had a three-speed automatic? That wasn't that long ago – as recent as the 2007 redesign – but Chrysler is keen to leave those days behind on the dusty trail. The current model ushered in a four-speed, then a five-speed, but the latest intel indicates that an eight-speed automatic is in the cards. According to a report filed with the Securities and Exchange Commission, and cited by Automotive News, Jeep plans on fitting its eight-speed automatic transmission to the next-generation Wrangler. Chrysler already uses the ZF-sourced slushbox on the Jeep Grand Cherokee, Ram 1500, Chrysler 300, and versions of the Dodge Challenger, Charger and Durango. But according to the SEC filing, the Auburn Hills automaker intends "to use this transmission in all of our rear-wheel-drive vehicles, except for heavy-duty versions of the Ram pick-up truck and the SRT Viper." AN says that Chrysler wanted to slot the transmission straight into the current Wrangler, but it wouldn't fit. Between the transmission and shift to aluminum construction, the next-generation Wrangler promises to deliver a significant reduction in fuel consumption. In correspondence with Autoblog, however, company spokesmen declined to comment on the eight-speed's suitability towards either the current Wrangler or the upcoming one.