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GM exploring ways to raise half-ton Duramax diesel tow rating

Lots of truck owners cheered when GM announced fuel economy numbers for the 2020 Chevrolet Silverado with the 3.0-liter Duramax diesel inline-six. Even after Ram let loose its EPA mileage ratings for the 2020 Ram 1500 EcoDiesel, the Chevy oil-burner still took the trophy. The victory was years in the making, GM engineers spending an entire four-year development cycle refining the LM2 Duramax to increase mileage. The tradeoff, as well all know by now, is towing; the Duramax in half-ton duty pulls a maximum 9,300 pounds in the Silverado. Rivals across town can do more, the Ford F-150 PowerStroke rated at 11,500, the Ram 1500 EcoDiesel game to pull 12,560. GM engineer John Barta told Muscle Cars & Trucks that more hauling chops could be on the way, explaining, "We’re actually looking at upgrading some of the materials around (the engine bay) to see if we can maybe raise our tow rating." Engine bay materials are at issue due to thermal complexities underhood. John Barta, GM's assistant chief engineer of diesel engine controls, said the Duramax's inline-six configuration allowed engineers to get emissions hardware like the combined selective catalytic reduction, diesel oxidation catalysts, and diesel particulate filter unit closer to the engine, where it heats up quicker, getting emissions down quicker. But that filter puts another heat source in those confines, enforcing a cap on the tow rating to keep the engine and other systems from overheating. "If you look under the hood," he said, "youÂ’ll see a significant amount of silver ‘moon tapeÂ’ around to make sure things arenÂ’t getting overheatedÂ… if we were to go up in higher towing, which we can, we start impacting the possibility of deteriorating some of the components.” There isn't much space for more grille, so swapping for a better grade of "moon tape" or a different kind of material could reduce engine bay heat, extracting a higher tow rating in the process.  It's important to note a point Barta's been making for months about the Duramax figures, though. "Even though itÂ’s nice to brag about big numbers, in reality, light duty customers are not towing that large with their trucks," and, "We do know that (95 percent) of our light duty customers donÂ’t tow over 9,000 pounds." On our First Drive of the 2020 Silverado diesel we called out the tow rating, but emphasized that the Chevy and GMC have more important challenges to overcome.

Burt Reynolds' vehicles up for auction at Barrett-Jackson

Burt Reynolds' influence on car culture cannot be overstated. Be it "Smokey and the Bandit" or "Cannonball Run," his films inspired a generation of car enthusiasts. He died a few weeks back from cardiac arrest at age 82. This weekend, four vehicles from Reynolds' personal collection — three Pontiacs and a Chevy — will go up for auction at Barrett-Jackson in Las Vegas. It seems Reynolds had plans to sell the cars before he passed. He even filmed a short teaser for the auction and planned to attend the event himself. Three of the cars are Pontiac Trans Ams. Two are re-creations of the cars he drove in "Bandit" and the film "Hooper." Both are 1978 models. The third Trans Am is from 1984 and was used to promote Reynolds' USFL team, the Tampa Bay Bandits. The fourth vehicle is a 1978 Chevy R30 pickup truck. It's styled like the truck he drove in "Cannonball Run." None of the vehicles were actually used in the movies. But they were registered in his name, making them far more legitimate than some other movie-inspired clones. It's unclear how many Bandit Trans Ams Reynolds has owned over the years. Another car connected to him sold for $450,000 back in 2014. His death is sure to drive the price of these new cars even higher. Related Video: Image Credit: Barrett-Jackson Celebrities Chevrolet Pontiac Auctions Truck Coupe pontiac trans am burt reynolds

2016 Chevy Volt sneak peek at CES

Here it is, folks – your first real glimpse at the 2016 Chevrolet Volt. The gasoline-electric sedan will officially debut at the Detroit Auto Show next week, but Chevy gave us a sneak peek of its redesigned Volt at a media event in Las Vegas late Sunday, as part of its CES festivities. There isn't a ton to see here, and sorry about the low quality video (and for us not standing front and center during the reveal). But we can clearly see the car's redesigned front fascia – something recently previewed at a fan event in Los Angeles. For another view, check out a high-res photo of the new Volt from our friends at The Verge, here. Chevy even tweeted a photo of the Volt's new nose on its official Volt Twitter account, which you can see below. The automaker didn't divulge any details about its new Volt, but we already know quite a bit. For starters, the Volt will use a new, 1.5-liter gasoline engine and won't require premium fuel. It'll have more EV range and a bigger battery, too. We'll have a whole mess of information when the 2016 Volt is fully revealed in Detroit in about one week's time. In the meantime, here are some more looks at the Volt, courtesy of the Twitterverse. We're so excited about #NextGenVolt we brought it out early at #CES2015! Full details on 1/12 at #NAIAS. pic.twitter.com/hPCbTFGSV4 - Chevrolet Volt (@ChevyVolt) January 5, 2015 Take a look at the new Chevy Volt http://t.co/laCvWLRMXk pic.twitter.com/uOzRh5XCrP - Engadget (@engadget) January 5, 2015 The very first look at the 2016 Chevy Volt doesn't disappoint: http://t.co/PM0HcnyQOo pic.twitter.com/WFtoyd0utH - Gizmodo (@Gizmodo) January 5, 2015 Chevy just gave @Tim_Stevens a very quick look at the next-gen Volt at #CES2015. #CNETatCES http://t.co/3n6EK1yOrC pic.twitter.com/7KDYh0VSg0 - CNET (@CNET) January 5, 2015 Related Gallery 2016 Chevy Volt at CES Related Gallery 2016 Chevrolet Volt Teaser Images Green CES Detroit Auto Show Chevrolet GM Alternative Fuels Green Automakers Electric Hybrid Videos Sedan 2015 Detroit Auto Show CES 2015