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GM warning 800,000 owners that their cars may need oil changes more frequently than they say

The days of changing your engine oil every 3,000 miles are long gone thanks to most cars having automatic oil monitoring systems, but about 800,000 General Motors vehicles apparently have incorrect monitoring software that is leading to premature engine component wear. According to Autoweek, certain 2010-2012 Buick LaCrosse, Regal, Chevrolet Equinox and GMC Terrain models equipped with 2.4-liter four-cylinder engines could be going too long in between oil changes resulting in a higher-than-normal number of warranty claims for the engine's balance chain. The balance chain links the balance shaft to the crankshaft, and a worn one can produce higher noise levels.
As a fix, GM dealers will be reprogramming the software for the monitors in an effort to reduce the interval between oil changes, which varies based on driving habits and conditions. Through February 2015, the software update will be done at no cost to vehicle owners, but since this is not a recall, after that point, it will be up to the discretion of dealers as to whether or not they will charge for the service. What isn't immediately clear is whether GM plans on giving assistance to out-of-warranty customers who are experiencing engine issues from the worn chain.

Corvette Stingray Shooting Brake under consideration by Callaway [w/poll]

Callaway has released a few renderings of a design study for a shooting brake version of the C7 Chevrolet Corvette Stingray. The company says it wants to create a long-roof version of America's sports car to offer buyers more interior room and a vehicle with "unique style." The company says it will use structural carbon fiber for the new body bits, which suggests the conversion shouldn't add too much more weight to the Corvette. Along with a few mechanical tweaks, the Callaway Corvette Stingray AeroWagon could breeze past the 200 miles per hour barrier.
Provided that they get enough interest, Callaway estimates they will be able to effect the changes on the Chevrolet for around $15,000, and says the conversion work should be available through its network of dealers. You can check out the brief press release below for more information, or head over to the Callaway site to plunk down a deposit - but before you do, we want to know... do you find this C7 wagon interesting? Vote in our poll below, then feel free to leave a few lines in Comments.
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Why does the Corvette Stingray have so many vents? Here's why

Just looking at the new 2014 Chevrolet Corvette Stingray, it's not hard to see that the car's design was created with aerodynamics at the forefront, but Chevrolet designers point out exactly what went into designing the iconic coupe in a pair of recently released videos. The videos show the Corvette going through early design phases, including clay models and wind tunnel tests, as well as talking to the car's chief engineer, Tadge Juechter.
Both videos help explain various aspects of the C7 Corvette, but it's the aero tuning of the car that is most interesting. This includes extra attention paid to the lower air dam and vented hood to help reduce drag and lift, while the rear quarter inlets are for differential and transmission cooling. Juechter said that some of these aero-tuned elements were inspired from GM's involvement in racing.
If you have about five minutes and you can't get enough information about the new 'Vette, then check out the videos posted below.