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First privately owned Corvette Stingray blitzes 1/4 mile in 12.23 at 114.88 mph

Chevrolet's latest road rocket, the Corvette Stingray, is a very quick car. If one needs further proof of that, we recommend they take a look at this video from Hennessey of what is claimed to be the first privately owned C7 Corvette to make a pass down the quarter mile. Not just any quarter mile, mind, this black C7 blitzed its way down the tuner's primary testing dragstrip. The Chevrolet ran the quarter in just 12.23 seconds at 114.88 miles per hour. That is a very quick time for a stock car.
Equipped with the Z51 package and a six-speed automatic transmission, not only does the C7 run a solid time, but it does so with little to no drama. That won't last though, as Hennessey will likely return it to its owner with far more power - we just hope they show a drag run of the completed product. Take a look below to watch the C7's 12.23-second run on video.

GM's Oshawa plant may close after Camaro production moves

Most of the time, when vehicle production is moved from one assembly plant to another, it spells bad news for the former. While General Motors won't go so far as to say its Oshawa, Ontario factory, which is losing the Chevrolet Camaro to the Lansing Grand River plant, is in trouble, analysts seem to think the factory's days are numbered. Forecasts for the facility are far from positive. The loss of the Camaro this year, combined with GM's targeted shutdown of a single-shift assembly line responsible for the fleet-only Chevy Impala Limited and the Equinox crossover is a bad enough omen. But with AutoForecast Solutions CEO Joe McCabe telling The Detroit News that the plant's other two products, the Cadillac XTS and Buick Regal, aren't likely to stick around beyond 2017, things look decidedly grim at Oshawa. "There is a fairly strong chance that the plant could close," Jeff Schuster, senior VP of forecasting for LMC Automotive, told The Detroit News. That doesn't mean that Unifor, Canada's auto union, and the Canadian government are going to let the factory die without a fight. And with the latter chipping in $10 billion as part of GM's 2009 bailout, you might think it has a degree of leverage in the situation. A meeting between the government and the Detroit Three at the 2015 North American International Auto Show revealed that Oshawa is already a topic of conversation. "We made it very clear that we would like to see an indication on the future of Oshawa sooner, in particular because the timing is very challenging for our supply chain to be able to adjust to potentially future orders or changes, but also to know that there are going to be future opportunities at Oshawa," Ontario's Minister of Economic, Development, Employment and Infrastructure Brad Duguid told The Detroit News. "Bottom line: It's time they made a longer-term commitment here," Unifor President Jerry Dias said, echoing Duguid's statements. It's unclear if this sort of strong talk will be enough to save 3,300-plus employees, although based on the analysts' forecasts, we doubt it.

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.