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Our favorite mid-engine Corvette theories and rumors

The mid-engine Corvette! We just saw blurry photos through the foliage, and are hearts are all aflutter because it means that this car is real. And it's the most " never before" Corvette since 1984. Which leads us to all kinds of wacky theories and speculation. Everybody knows something or heard from a guy. None of those guys (or gals) from GM are talking to Autoblog, to be clear. But that won't stop us from stirring the pot. Let's go over a few point-by-point. The pushrod engine will be replaced by an overhead-cam V8 Car and Driver has repeatedly reported that an overhead-cam engine will come after the mid-engine Corvette's debut with an old-school pushrod. We've heard the same thing firsthand, albeit from a source with no connection to the development of the Corvette or powertrain. "At some point two valves can't pass future emissions regulations," said the guy we know. While the pushrod engine is compact, the design makes it difficult - if not impossible - for sophisticated variable valve timing (and lift) systems that control combustion with more precision. Hasty conclusion: The pushrod engine has a finite life in front of it. This one's a lock, it's a just a matter of when. Bowling Green's new paint shop is really the mid-engine assembly line Credit to Reddit for this one. Like we said, everybody knows a guy. But let's look deeper. The new paint facility costs $439 million dollars and adds 450,000 square feet, almost half the size of the existing plant. Plus GM announced another $290 million in upgrades at Bowling Green Assembly. That sure sounds like a lot of money, but you can actually spend that much on a paint booth. Porsche spent 500 million Euros (about $561 million dollars) to add the Macan assembly to its Leipzig, Germany plant in 2014. Chrysler shelled out $850 million for a paint shop in Sterling Heights, Michigan. GM spent $600 million for a new paint shop at the Fairfax (Kansas City) plant. Honda, on the other hand, is working on a thrifty $210 million project in Marysville, Ohio that includes a 300,000 square foot expansion, and the low-volume Acura NSX facility only cost $70 million. Hasty conclusion: The square footage and cost could easily mean a new assembly line instead of (or in addition to) a paint line. And if the NSX plant was really that cheap, GM could have hidden a similar sum in its existing announcements.

Ward's reveals annual 10 Best Engines list for 2013

Ward's Auto has released its annual 10 Best Engines award winners. The 2013 list covers the full width and breadth of the internal combustion spectrum, from a spate of efficient four-cylinders to the most powerful production V8 on the planet. As always, the entries must be available in a production vehicle in the first quarter of 2013 with an MSRP of less than $55,000. The supercharged 3.0-liter V6 from the Audi S5 held on for the fourth consecutive year, and BMW earned two spots on the list with its turbo 2.0-liter four-cylinder and turbo 3.0-liter inline-six.
Ford pulled in two awards for its 2.0-liter EcoBoost four-cylinder and and the supercharged 5.8-liter V8 from the Shelby GT500. Honda matched BMW and Ford with two wins of its own. Wards awarded the 2.4-liter four-cylinder from the Honda Accord Sport as well as the 3.5-liter V6 from the Honda Accord. Chrysler, General Motors and Subaru each garnered a spot on the list as well for the 3.6-liter V6 in the Ram 1500, the turbo 2.0-liter four-cylinder in the Cadillac ATS and the 2.0-liter four-cylinder the Subaru BRZ, respectively. You can read the full press release below for more information.

GM Super Cruise is evolving into Ultra Cruise, for hands-off city driving

GM has a "big team" working on an advanced version of its hands-free driving assistance system, Super Cruise, that will expand its capability beyond highways and apply it to city streets, the automaker's vice president of global product development Doug Parks said Tuesday. GM is also continuing to improve its existing Super Cruise product, Parks said during a webcasted interview at Citi’s 2020 Car of the Future Symposium. "As we continue to ratchet up Super Cruise, we continue to add capability and not just highway roads," Parks said, adding that a separate team is working on the hands-free city driving product known internally as "Ultra Cruise." "We're trying to take that same capability off the highway," he said. "Ultra cruise would be all of the Super Cruise plus the neighborhoods, city streets and subdivisions. So Ultra Cruise's domain would be  essentially all driving, all the time." Parks was quick to add that this would not be autonomous driving. Advanced driving assistance systems have become more capable, but they still require a human driver to take control and to be paying attention. "What we're not saying is that Ultra Cruise will be fully autonomous 100% of the time, although that could be one of the end games," Parks said. Parks didn't provide a timeline for when Ultra Cruise might be available. A GM spokesperson said in a statement after his interview that the company continues to expand its hands-free driver assistance system technology across its vehicle portfolio and has "teams looking at how we can expand the capabilities to more scenarios." GM said it "does not have a name or anything specific to announce today, but stay tuned." This new Ultra Cruise feature would put it in competition with Tesla's Autopilot advanced driving system, which is largely viewed as the most capable on the market today. Tesla's "full self-driving" package, a more capable version of Autopilot, can now identify stop signs and traffic lights and automatically slows the car to a stop on approach. This feature is still considered to be in beta. GM's Super Cruise uses a combination of lidar map data, high-precision GPS, cameras and radar sensors, as well as a driver attention system, which monitors the person behind the wheel to ensure theyÂ’re paying attention. Unlike TeslaÂ’s Autopilot driver assistance system, users of Super Cruise do not need to have their hands on the wheel. However, their eyes must remain directed straight ahead.