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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.

Almost 70 percent of FCA-PSA Groupe models to ride on two PSA platforms

With the merger between PSA Groupe and Fiat Chrysler having been officially announced this week, we still don't know where everything will settle once the process concludes. We covered the catalog of models herded by the combined company's 12 brands, all of which will remain for now. Profound changes must be afoot somewhere, though, else there'd be no reason for the tie-up. Automotive News has a report on one of the big moves, writing that "more than two-thirds of [PSA-FCA] production would be concentrated on just two platforms." Around 2.6 million cars built by the combined company would sit on PSA's Common Modular Platform, also known as the EMP1, for B-segment city cars, entry-level and mid-range C-segment sedans, and compact crossovers. Three million vehicles would ride on the EMP2 architecture intended for C- and D-segment cars and higher-end crossovers. Those figures account for around 5.6 of the 8.7 million vehicles the combined company expects to sell annually. AN didn't mention the Giorgio platform that's already spread throughout the FCA kingdom to support numerous current and future offerings like the next-gen Jeep Grand Cherokee, but did write that "larger Jeep models will continue to use FCA underpinnings." The body-on-frame chassis' under Ram trucks and the Jeep Wrangler and Gladiator should hold pat. We'll wait for word on the fate of the Compact U.S. Wide platform carrying the Chrysler Voyager and Pacifica and Jeep Cherokee. Dodge products with questionable futures are anyone's guess; we've heard the Dodge Durango, still built on a Mercedes-derived platform it shares with the current Grand Cherokee, could go body-on-frame for the next generation, or die and have the Giorgio-based, three-row Jeep Grand Cherokee take its place. More mystery comes with the long-lived LA and LD platforms in the big sedan and coupe trio Chrysler and Dodge still milk quite successfully. And if there were ever a time for the Dodge Journey – last reported as a Giorgio recipient – to modernize or die, we don't know when that time is. Although FCA platforms have been designed with alternative powertrains in mind, AN says the PSA Groupe architectures "are more modern than FCA's equivalent platforms." After PSA acquired GM's Opel/Vauxhall division, the French company didn't waste time moving the Anglo-German products to in-house platforms, helping to put the formerly money-losing operations into the black in just 18 months.

Car Club USA: Chrysler Power Classic

Car Club USA heads to the Buckeye State for some high-octane drag racing at the Chrysler Power Classic. And for these amateur drag racers, nothing but Mopar muscle will do. "I would say Mopar is kind of a way of life," says Larry Augenstine. "Some people get addicted to lemonade, or beer, [or] drugs. Well, I'm Mopars." Larry drives a 1968 Plymouth Barracuda with a 426 Hemi motor that once belonged to local racing legend Ray Christian. He's joined at the track by Mark Ipsen of the Midwest Nostalgia Pro Stock Association. Mark runs a 1979 AMC Concord with a modified 401 block V8 that he claims has dynoed at just under 1,000 horsepower. The biggest threat to any day on track is Mother Nature, who cast a threatening shadow over National Trail Raceway for much of the event. When the clouds and rain subsided, our cameras captured the grounds crew in action with blowers, torches, and a sticky compound that's sprayed the entire length of the track. Can Larry, Mark, and the rest of these Mopar fanatics make the most of the few runs they'll get? Stay tuned to find out. Each Car Club USA episode features a different car club or event from across the US, where passionate owner communities gather to share automotive experiences and embark on incredible adventures. From Main Street cruises to off-road trails, catch all the latest car club activity on Autoblog. Chrysler Racing Vehicles Performance Car Club USA Videos Original Video autoblog black