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Chevy's 6.6-liter Duramax is pretty much all new

To say there's a heated battle in heavy-duty pickups is an understatement, with Chevrolet, Ford, and Ram constantly trading blows of increased torque, horsepower, and towing capacity. The latest salvo is the revised, more powerful turbo diesel 6.6-liter Duramax V8 in the 2017 Chevy Silverado. It has 910 pound-feet of torque, an increase of 145, putting it nearly level with the Ford Super Duty. Here's a closer look at where those gains come from. How exactly did Chevrolet add all that torque plus 48 horsepower? The automaker essentially took a fine-tooth comb to the entire engine. Chevy says it changed 90 percent of the V8, and the cumulative effect of those small changes adds up to big increases. As you might guess, the turbocharger is updated. The larger unit features electric actuation of the variable nozzle turbine (VNT), and what Chevy calls a double axle cartridge mechanism that separates the VNT moving parts from the housing. That helps with heat performance as well, with a claim that the exhaust side of the turbo can run continuously up to 1,436 degrees Fahrenheit. Helping that cause are six exhaust gaskets made of Inconel - an nickel alloy that contains chromium and iron – and upgraded stainless steel for the exhaust manifold. Despite having the same cast iron cylinder block, albeit with some minor enhancements, the engine has new cylinder heads, pistons, piston pins, connecting rods, and crankshaft, which have all been upgraded to handle 20 percent higher cylinder pressures. Alongside the increase in pressure, Chevrolet also increased the cylinder head's structure with a honeycomb design. The pattern features high-strength aluminum with dual layer water jackets that not only improve strength, but also optimize water flow for better cooling. For 2017, the cylinder head also benefits from integrated plenum that aids the engine in getting more air under heavy loads. The cylinder head isn't the only component to get a minor update, as the pistons have a larger diameter pin for improved oil flow. The same detailed improvements has been bestowed to the humble connecting rods (second in our hearts only to the inanimate carbon rod). The new design has the bolts oriented roughly 45-degrees to the rod instead of parallel. The angle split design, as it's called allows for easier passage through the cylinder.

Opel's version of the Chevy Bolt will confuse people at Paris Motor Show

Two things are now official. First, Opel will reveal the Ampera-e, or the European version of the Chevrolet Bolt, at the Paris Motor Show in October. Second, General Motors has outdone itself in brand confusion, topping the Bolt/Volt ridiculousness. Opel isn't giving a single-charge range for the Ampera-e but the company is promising a "significantly longer range" than other electric vehicles. The Bolt is estimated to have a 200-mile range on the EPA scale, so whatever the Opel achieves on the European cycle will be done with the same batteries and motor as the Chevy. Opel is also looking to appeal to the auto enthusiasts with other factoids, which are basically just Bolt stats translated into metric. For instance, the Ampera-e will be able to go 0 to 50 kilometers per hour (which is 31 miles per hour to us Americans, but we're talking Europe here) in just 3.2 seconds. And for those looking to stay connected, as many as seven mobile devices can attached to the car's wireless hot spot. GM said in February that the European of the Bolt would be available across the pond next year, so the most recent bit of news isn't shocking. Still, General Motors continues to create confusion between all-electric Bolt and the extended-range plug-in Volt. It's already been reported that the Korean symbol and pronunciation of what is "B" in English is identical to the English "V," meaning that there is no difference between "Bolt" and "Volt" in that country (though there are no plans to sell the Bolt in South Korea as of yet). Now, in Europe, they're taking the name they used to use for the European of the Volt — Ampera — and merely adding an "-e" at the end of it. For those looking to be less confused, take a look at Opel's press release here. Related Video: Featured Gallery 2017 Opel Ampera-e: Paris 2016 View 11 Photos News Source: Opel via Hybrid CarsImage Credit: Live photos copyright 2016 Drew Phillips / Autoblog Green Paris Motor Show Chevrolet GM Opel Electric Chevy Bolt volt ampera opel ampera-e ampera-e

Kurt Busch suspended indefinitely after losing appeal

NASCAR has officially suspended Kurt Busch indefinitely after he was found in violation of two specific clauses in the stock racing rulebook, specifically "Actions detrimental to stock car racing" and a "Behavioral Penalty." Earlier in the week, the State of Delaware issued an Order of Protection from Abuse against him after a case detailing alleged domestic violence committed by Busch against his girlfriend, Patricia Driscoll, reached its conclusion. Busch and his legal team have exhausted all of their appeals options, meaning the indefinite suspension is official and final. Busch will not take part in the Daytona 500, which kicks off the 2015 NASCAR season today. Regan Smith will drive the No. 41 Stewart-Haas Chevrolet today at Daytona. It's not yet clear if Busch will face criminal charges over the domestic abuse incident. A Commissioner for Kent County in Delaware found that a "preponderance of evidence" led him to conclude that Busch did indeed commit "an act of domestic violence" against Driscoll, but that is a separate matter from the police investigation into the incident that is now in the hands of the office of the attorney general. NASCAR INDEFINITELY SUSPENDS DRIVER KURT BUSCH Daytona Beach, Fla. (Feb. 20, 2015) -- NASCAR has indefinitely suspended driver Kurt Busch for actions detrimental to stock car racing following the release today of a supplemental disposition setting forth the findings and conclusions that formed the basis for the Family Court of the State of Delaware's decision on Monday to issue an Order of Protection from Abuse against him. Busch, driver of the No. 41 car, was found to be in violation of: • Section 12.1.a: Actions detrimental to stock car racing • Section 12.8: Behavioral Penalty "Given the serious nature of the findings and conclusions made by the Commissioner of the Family Court of the State of Delaware, NASCAR has indefinitely suspended driver Kurt Busch, effective immediately. He will not be allowed to race nor participate in any NASCAR activities until further notice. "Kurt Busch and his Stewart-Haas Racing team are fully aware of our position and why this decision was made. We will continue to respect the process and timetable of the authorities involved." News Source: NASCAR via Nascar.comImage Credit: Maddie Meyer/Getty Celebrities Government/Legal Motorsports Chevrolet Racing Vehicles stock car racing stewart-haas racing domestic violence patricia driscoll