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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.

Chrysler unveils Dodge Charger SRT8 392, 300 SRT Concept to the faithful

Our man Steven J. Ewing recently spent some time in a 2013 Dodge Charger SRT8 Super Bee, and while he found a lot to love - particularly underhood - he didn't care for the sedan's retro-steeped visuals, preferring the standard SRT's look instead. Perhaps he'll dig this throwback look instead. Over the weekend, Chrysler unveiled this handsome 2013 Dodge Charger SRT8 392 Appearance Package at the eighth annual Spring Festival of LXs, a gathering of Charger, Challenger and Chrysler 300 enthusiasts held in Irvine, California.
Unveiled by SRT CEO Ralph Gilles in front of an estimated 2,500 Spring Fest goers, the 392 features 20-inch Black Vapor Chrome alloys set off by a black-painted roof panel, hood bulge, spoiler and mirror caps. Additional exterior changes include model-specific striping and badging along with the requisite serialized dash plaque inside. The 392 will be available in five colors - Billet Silver Metallic, Bright White, Hemi Orange, Plum Crazy and the TorRed pain seen here.
Performance-wise, the 392 remains unchanged from standard SRT8s, but that's hardly a slight - the 6.4 liter Hemi V8 continues to churn out 470 horsepower and 470 pound-feet of torque to the rear wheels. Like other 2013 SRT8s, the 392 benefits from the institution of a new launch control system and a retuned three-mode adaptive suspension.

Ford and Chrysler reducing summer plant shutdowns

Most domestic automaker assembly plants traditionally take a couple of weeks off during the summer. The shutdowns give each plant time for much needed repairs and maintenance, and in some cases, help better align production with demand. Not this year, though, as demand for many models is outstripping what Ford, Chrysler and General Motors plants can produce.
Ford has announced that it will shorten its annual summer shutdown for most North American plants from two weeks to one. The shorter shutdown will increase the carmaker's annual North American production by 40,000 units on top of the 200,000 extra units that it was already planning to produce this year versus last. Automotive News reports that Ford produced 2.8 million vehicles on this continent in 2012, and that output this year has already increased 13 percent through April.
Chrysler, meanwhile, is also operating at full tilt and plans to run some plants through the summer with no shutdown at all. Those not getting a break include Jefferson North where the Jeep Grand Cherokee and Dodge Durango are assembled, Toledo North that will assemble the new Cherokee, and Conner Avenue, home of SRT Viper production. Other assembly plants will be down for a single week, while all of Chrysler's engine and transmission plants except one in Indiana will continue operating with no shutdown this summer.