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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.

Expect greater differentiation in GM's next-generation SUVs

General Motors says its next-generation Chevrolet Tahoe, Suburban, GMC Yukon and Cadillac Escalade models will offer shoppers improved interior differentiation. Car and Driver recently caught up with Chris Hilts, GM's creative manager of interior design, who said that the cabins will all feature unique instrument panels, consoles, center stacks and switchgear moving forward. Apparently GM is now aware that consumers may be bothered by the fact that today's $85,000 Escalade has effectively the same cabin as a $45,000 Tahoe. Hilts says SUV buyers want more refinement than their pickup purchasing counterparts - and those same buyers also want their SUVs to have more exterior differentiation between the company's Silverado and Sierra pickup lines. Shocking.
That all sounds good to us, but we've heard this song and dance before. GM made big waves about how different the new-for-2013 Silverado and Sierra would look from each other, but judging by what we've seen so far, GM's stylists are painting in shades rather than with the full spectrum. For more on the what to expect out of GM's new SUVs, click on the C/D link below.

Forget everything you know about Cadillac V

Cadillac rolled out the CT4-V and CT5-V performance sedans to a rather confused group of journalists last night. What are these cars? Only 355 horsepower in the CTS-V replacement? And just 320 horsepower for the ATS-V successor? Surely, there's something out of place — you can get up to speed with all the details here. Cadillac understood our confusion and explained what was going on rather quickly. The explanation means you have to forget everything you know about what "V" means for a Cadillac, though. Any Cadillac with the singular "V" badge on it previously has denoted the absolute top-tier of performance for that particular model. The CTS-V had the Corvette Z06 engine in it and made 640 horsepower. The ATS-V had a boosted 3.6-liter V6 good for a raucous 464 horsepower. They were equivalent to BMW M, Mercedes-AMG or an Audi RS. We're not talking about the lesser M or AMG models, either. No, the last Cadillac Vs were meant to compete with cars like the C63 or M3, the top-tier of performance in those brands' lineups. This is where you're going to have to start re-learning, because that's no longer the case for a Cadillac with a V badge gracing the rear end. What Cadillac has essentially done is demote what V means, with the intention of offering "something else" above it. With this new strategy, we'd equate a Cadillac V to something like an AMG 43, M340i, or Audi with an S badge on it. Cadillac has even come out with a car similar to this strategy before in the V-Sport. That didn't confuse everybody, though, because the name was different, and the strategy was clear. Now, Cadillac V is just a small stepping stone to these mysterious high performance cars still to come. We asked for any information concerning these future track-ready, fire-breathing monsters, but mum is the word for now. The naming strategy for something above a V is uncharted territory, and it'll also force everyone to learn what the top of the Cadillac lineup is all over again. Cadillac CT5-V View 6 Photos Why confuse folks like this? Cadillac wants to take advantage of the V brand cache in more of its lineup than just two super sedans. Think future vehicles like an XT5-V, XT4-V and others like that. Now that V doesn't mean a Nurburgring-conquering 500+ horsepower luxury muscle car, it makes it far easier for Cadillac to get V badges on everything. Obviously, GM isn't the first to think of this strategy.