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Are you the 2014 Corvette Grand Sport?

When are stripes more than just stripes? Follow up question: Is the product development team at Chevrolet really cocky enough to hide the next C7 Corvette variant in plain sight? This very recently spotted, and ostensibly obscured C7 asks a lot more questions than it answers, but there's at least some evidence to support that it might be the next Corvette Grand Sport.
The first and most obvious tip-off that something is up with this 'Vette revolves around those silver stripes. Obviously the stripes themselves don't necessarily denote a new model. However, when Chevy recently launched its "colorizer" website for the Stingray, there was no provision made for racing stripes - solid colors only.
Grand Sport exhibit number two is actually an incriminating lack of badges. The production Corvettes we've seen to date have all carried Stingray badges on their fenders, just behind the vent. The car seen in these images has no such badges, which is an intriguing omission on an car that looks like a production-spec vehicle otherwise.

Sunday Drive: Subaru Ascends up to the hottest market segment in America

Utility vehicles – in other words, crossovers and SUVs – are so hot right now. Two of our top stories from last week revolve around the utilitarian vehicle, but besides their jacked-up, five-door bodystyles, they couldn't be more different. The 2019 Subaru Ascent is headed into an extremely crowded and competitive segment, where it'll have to go up against industry stalwarts like the Toyota Highlander and Honda Pilot, not to mention upstart contenders like the Volkswagen Atlas. The Mercedes-AMG G63, on the other hand, has very little competition – there simply aren't very many ultra-luxurious, off-road-ready SUVs in the world vying to attract the dollars of the wellest-to-do customers across these United States. Moving on from crossovers and SUVs, our readers remain attracted to classic front-engine, rear-wheel-drive sportscars. The Toyota Supra's upcoming rebirth earns two places on our list of stories worth highlighting from the week that was; one with leaked information from a Japanese magazine, and another with rumors indicating that maybe we shouldn't be quite so excited. And finally, there's the strange case of the long-lost 2009 Chevy Corvette Z06 that one lucky individual happened to find squirreled away in a storage container with just 720 original miles. A high-horsepower head scratcher if we've ever seen one. As always, stay tuned to Autoblog this week for all the latest automotive news that's fit to print. 2019 Subaru Ascent vs Honda Pilot vs Toyota Highlander: How they compare on paper 2019 Mercedes-AMG G63 set to bare its 577-horsepower heart in Geneva Toyota Supra leaks in Japanese magazine ahead of Geneva debut Toyota Supra to be little more than a rebodied BMW Z4? Forgotten 720-mile 2009 Corvette Z06 emerges from storage Chevrolet Mercedes-Benz Subaru Toyota Coupe Crossover SUV Luxury Off-Road Vehicles Performance barn find sunday drive subaru ascent mercedes-amg g63

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.