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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.

NHTSA closes investigation on 4.7M FCA power modules, no recall

FCA US hasn't had the best time with recalls as of late. Not only did the company recently agree to greater safety oversight and paid $105 million to the government, that came just days after hacking fears prompted a 1.4-million model recall campaign. However, a recent decision to close an investigation by the National Highway Traffic Safety Administration means that the automaker doesn't have to worry about another major recall possibly affecting 4.7 million vehicles, according to the agency's report (as a PDF). Last September, the Center for Auto Safety petitioned NHTSA to investigate an alleged problem with the totally integrated power module (TIPM) on these FCA US models. The group claimed that a fault with the component could cause a variety of maladies, including stalls, not starting, catching fire, unintended acceleration, and airbag non-deployment. At the time, it also submitted 70 cases where this had reportedly happened. According to NHTSA, "no valid evidence was presented in support of claims related to airbag non-deployment, unintended acceleration, or fire resulting from TIPM faults and these claims were found to be wholly without merit based on review of the field data and design of the relevant systems and components." The agency did find signs of an issue with the fuel pump relay in some Jeep Grand Cherokees and Dodge Durangos, but FCA US issued recalls for the problem in September 2014 and February 2015. Without anything else to go on, the Feds don't think it's worth investigating this topic any more.

Jeep Wrangler Dragon Edition coming to North America

If 2012 was the year of the dragon in China, perhaps the US can claim 2014. After showing the Jeep Wrangler Dragon Design Concept at the 2012 Beijing Motor Show, and apparently receiving "tremendously positive feedback" from Jeep enthusiasts across the globe, the automaker has decided to introduce a production version that will hit US showrooms this fall with a price of $36,095.
"The dragon symbolizes strength and power and is an aspirational character normally associated with royalty and good fortune," says Jeep, and that apparently equates to a blacked-out Wrangler Unlimited with bronze satin gloss highlights inside and out, along with big dragon decals that start on the hood and run down the fenders. There are 18-inch matte black wheels with a bronze outer edges, and a dragon-emblazoned spare tire cover completes the look.
We suggest you peruse the high-res image gallery above to see all the black and bronze detailing yourself, and make special note of the interior. In related news, all 2014 Jeep Wrangler models get an optional Trail Kit and clear park lamps to replace the previous amber units. New colors include Amp'd, Anvil, Copperhead, Flame Red, Granite Crystal and Hydro Blue (Freedom edition only), which join carryover colors Billet Silver, Bright White, Black and Dune.