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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.

Race Recap: 2013 Twelve Hours of Sebring, cakewalk up front, grindfest out back [w/spoilers]

This year's 12 Hours of Sebring wasn't exactly a foregone conclusion because we're still talking about racing, and anything can happen when the speeds are as high as the adrenaline and the desire. But we're still talking about Audi bringing it's two top-spec racers - and its huge budget and its nearly neurotic attention to detail - to a race that it uses as a test bed for The 24 Hours of Le Mans and as a way to open the endurance racing season with a victory.
Besides, 12 hours is a long time, especially at Sebring, and things didn't go all Audi's way. On top of that, although it was a pretty quiet race, behind the Audis things got even grimier, with plenty of battles, plenty of mechanical issues, and the new BMW Z4 GTE and Viper GTS-R being race tested. Oh, and that brand new chromed-out DeltaWing...

"Turbo" Chevrolet Camaro is a 700-HP fantasy car come to life [w/video]

For a concept car built to promote an animated movie about a snail that wants to go racing, this thing ain't half bad. The outsized monster you see before you started life as a Chevrolet Camaro ZL1, and then went through a big-time Hollywood makeover before being positioned on the Chevrolet stand here in Chicago.
This 2013 "Turbo" Camaro Coupe is getting the promotion machine ratcheted up for a new DreamWorks tale by the name of, you guessed it, Turbo. Coming this summer, the movie will follow one snail's quest to become a race driver worthy of making the cut at the Indy 500. Like many DreamWorks vehicles before it, we're guessing that the petrolhead snail will star in a movie that adults (especially racing fans) with have no trouble watching with their kids. Check out the trailer below to see if you agree.
As for the car, we're told that it is "instrumental" in transforming Turbo from snail into racer. Helping the beastly pony car in this mighty task, is an ankle-cracking front splitter matched by a ungodly huge rear wing out back, a COPO hood and a supercharged (yes, supercharged) V8 engine making more than 700 horsepower. 24-inch wheels all the way around - 10-inches wide in front and 15-inches wide in back - should allow the "Turbo" Camaro to hook up with ease, as well.