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FCA's Pentastar V6 gets more power, efficiency for 2016

Already a vital member of FCA's powertrain lineup, the 3.6-liter Pentastar V6 is receiving major efficiency improvements for 2016. Thanks to a massive amount of new tech attached to the mill, fuel economy is up six percent, and torque below 3,000 rpm jumps nearly 15 percent. The updates arrive first in the 2016 Jeep Grand Cherokee, but they should proliferate to other models eventually. At least in the Grand Cherokee, the tweaks push power up five horsepower to 295 ponies. FCA's engineers went through the Pentastar from top to bottom to eke out as much efficiency as possible. For example, there's now a two-speed variable-valve lift system that can run in low- or high-lift modes. This upgrade is responsible for 2.7-percent better economy, the company claims. A new intake manifold with longer runners and updated variable-valve times also helps boost the torque output. Further improvements come from pushing the compression ratio to 11.3:1, from 10.2:1 before. Perhaps most impressive is that despite all of the innovations, the latest Pentastar actually weighs four pounds less than the current version. Beyond the Pentastar improvements, all of the FCA US gasoline engines, except for the Viper's 8.4-liter V10, will be E15-compatible for 2016. The company says that it wants to be ready for the higher ethanol content fuel's greater use in the near future.

2018 Jeep Wrangler Rubicon Alaska Cannonball | At the edge of the Arctic Ocean

Our man Jonathon Ramsey is driving a Jeep Wrangler Rubicon on a 14-week, 14,000-mile journey across North America. Check out his first, second, third, and fourth installments. TUKTOYAKTUK, Alaska – The picture above merely hints at the magic turn the Rubicon Alaska Cannonball took after Port Orford, Oregon. The three dramatis personae are Shelby, on the right, an Inuit and Tuktoyaktuk local with a supernova smile, sitting on the hood of her 2014 Wrangler; Jason, a top Canuck who rode his BMW up from the Lake Louise area, takes the middle; I'm on the left, wearing an Inuit parka lent me by Shelby's father, John Steen. The parka, full of snow goose down and lined with wolverine fur, is the nicest piece of winter gear I've ever put on. Any kind of winter gear. Ever. We're effectively in John Steen's back yard, the sun setting on the Arctic Ocean behind us, pingos – earth-covered mounds of ice that Tuk is known for – in the background. I took this picture at the beginning of a long night of laughs, learnin', beer, whale, Northern Lights, extraordinary kindness, more laughs, followed by a long sleep in a man cave garage. But let's pick up right after Oregon. I drove to Seattle to regroup after the Trans-America Trail and visit a Jeep dealer for an oil change, tire rotation and balance, and a thorough inspection. For reasons neither Jeep nor I could understand, the dealer wouldn't do anything more than change the oil. The Jeep rep couldn't make the dealer budge. The punchline: as I left the service department, the service writer I dealt with turned to his colleague and said, "Another happy customer." My head exploded. And then I made an appointment at a Jeep dealer in Fairbanks, Alaska to complete the work. Google said Fairbanks lies 2,145 miles from Seattle. I wanted to be in Fairbanks in three days, so I hit I-5 north determined to chalk up 715 miles. Instead of taking the Alaska-Canada Highway (the AlCan), I turned left at Prince George to take the Cassiar Mountain route, and clocked about 830 miles before pulling into a rest stop in New Hazelton. That first day would be the only one on schedule. I don't know how Canada has managed to keep this a secret, but the western provinces are shockingly gorgeous. One of Canada's tricks: California's 163,707 square miles host 39.5 million people; Canada's 3.855 million square miles house 35.2 million people.

2018 Jeep Wrangler: The iconic off-roader, with new innovations

AUBURN HILLS, Mich. — The Jeep Wrangler has a spirit, and Mark Allen is one of its keepers. That's why the 2018 edition still has a fold-down windshield, despite the reality that even the most die-hard Wrangler owners seldom use it anymore. The folding screen dates to the origins of the Wrangler, when Willys were sent to Europe during World War II. The reasons: "The windshields folded down for shipping — and the guy in the back with the howitzer," says Allen, the longtime Jeep design boss. Delivered in 2017 in the FCA Design Dome, the line comes across as a quip, but it's historically dead on. It's through this lens that Allen and the rest of the Jeep designers and engineers devised the modern successor to a primitive military vehicle. The windshield folds down in minutes with the turn of four bolts on this new generation, the JL. It takes about 90 minutes and 28 bolts to do the same on the outgoing JK. Needed or not, the windshield is better and more functional for 2018, even if it looks about the same. This aptly sums up the new model. Get closer and get inside. Look under the hood. There's much more going on than is evident at first glance. Allen says the broad strokes of the current design didn't change because he wanted to remain true to the Wrangler's identity, which lights the path for the entire brand. Crazier ideas were considered, but ultimately, this evolutionary approach was deemed the best. "The Wrangler is instantly recognizable around the world," says Jeep boss Mike Manley. "It has been and remains the absolute icon of the brand." But it is different, and by using any objective metrics, better. The JL is lighter than the JK. It offers a new engine with a mild hybrid function – more on that later. Fuel economy is improved. The interior is nicer, yet still rugged. The on-road ride quality is upgraded, but you can still scale mountains and conquer the jungle. Still, it looks about the same. Let's start there. The round headlights are all-LED, with a horizontal projector sandwiched between the high beams. The taillights are square and have available LEDs. The grille has been massaged to a "keystone" design that recalls the CJ, Allen says. The front wheels are pulled slightly forward, and the beltline is lowered. The vehicle also is longer (how much depends on the version), which creates a better stance. Half doors will be offered on the Rubicon model in 2019 and then will be available across the Wrangler lineup.