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A conversation with GM's Mark Reuss on MPG, aluminum and Corvettes

There was plenty to talk about when General Motors hosted its annual mid-December holiday media reception a few months ago. GM had just decided to pull its global Chevrolet brand out of major European markets, where Chevys have competed directly with GM Europe Opel and Vauxhall vehicles, and the US government had sold its last remaining shares of GM stock. But most important was the company's just-reshuffled leadership. Post-bankruptcy CEO Dan Akerson had announced that he would step aside and that 52-year-old Mary Barra would replace him on January 15. Not only would she be the first woman to lead a major automaker, she would also be GM's first engineer CEO since Bob Stempel in the early 1990s. "I look at 2013 and 2014, as the retooling of General Motors" - Mark Reuss Replacing her as executive VP for global product development (and purchasing and supply chain) would be 49-year-old Mark Reuss, who had served a stellar four years as North American president, and elevated to corporate president (from executive VP and CFO) would be 42-year-old Dan Amman. All three are relatively young auto enthusiasts who are liked and respected inside and outside the company, and their collective talents and experience are highly complementary. I've interviewed Barra and found her smart, personable and knowledgeable, though she carefully walks the corporate line in speaking and answering questions. I met and chatted with Ammann for the first time at that holiday reception, and he made a good first impression. But I've known Reuss for some time as a genuinely good guy and a highly capable and inspiring leader, and I believe he is exactly the right person for the global product responsibility once famously held by the outspoken, oft-controversial Bob Lutz. So I jumped at an opportunity to join a group interview of Reuss (with mostly business reporters) at the Detroit Auto Show in January. It was an interesting session of mostly good questions, which he answered with refreshing candor and humor. "I look at 2013 and 2014, as the retooling of General Motors," Reuss said. "We've taken down almost every plant in North America, converted and turned it this last year, and to do that with award-winning vehicles and pretty flawless launches is key. We have to keep the train rolling on great product, because the rest won't happen without the best product, period." A reporter asked whether GM was pushing big trucks, SUVs and Corvettes again because gas is cheap. "No," Reuss said.

Fewer than 1 in 3 Chevy dealers earn right to initially sell C7 Corvette

Looking to make the launch of the 2014 Corvette Stingray as efficient as possible, Chevrolet will be limiting the numbers of its dealers that can sell the all-new coupe and convertible. According to Automotive News, sales of the C7 Corvette will initially be limited to less than a third of Chevy's total dealership network when the 'Vette goes on sale this summer.
Only 900 dealers out of more than 3,000 locations nationwide will be allowed to sell the new Corvette at first, and the reason for this is so that there are no shortages at dealers that can actually get the cars sold. The article says that the 900 dealerships chosen represented 80 percent of total Corvette sales in 2012.
Some of the requirements dealers had to make to get initial allocation of Stingray sales include having sold at least four Corvettes in 2012 and having a Corvette Stingray specialist who will be required to have gone through a training session costing more than $2,000 per attendee. Once demand for the 2014 Corvette Stingray begins to subside - approximately six to nine months after it goes on sale - then allocation could open up to more dealers, but the report indicates this could happen following the 2014 model year.

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.