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2016 Cadillac ATS-V brandishes 450 horses and 6-speed manual

Details about the hotly anticipated 2016 Cadillac ATS-V are tumbling out, and they look to be everything we could ask for in a high-performance Caddy coupe.
According to Road & Track, the ATS-V will use a version of the twin-turbocharged 3.6-liter V6 from the CTS Vsport, but the wick will be turned up to 450 horsepower and 445 pound-feet of torque. In glorious news for driving enthusiasts everywhere, that potent mill will be available with either a six-speed manual or eight-speed automatic.
According to R&T, the engine has a heap of high-performance tech to let it make the extra ponies, including titanium connecting rods, two water-to-air intercoolers, titanium turbines for the turbos and an additional radiator dedicated to cooling the gearbox and electronically locking differential. Keeping it all planted are a set of Michelin Pilot Super Sport tires, and a suspension with 50 percent more roll stiffness.

How GM's grueling 24-hour test gets the kinks out of its performance cars

One of the biggest challenges automakers face when designing a high-performance car is making sure that it is both fast and reliable. For General Motors, any car that might be taken to the track by its owner - like the Corvette, Camaro Z/28 (shown above) and the Cadillac CTS-V, for example - undergoes a rigorous and strenuous 24-hour test by engineers at the Milford Proving Grounds, as pointed out by Car and Driver.
We've posted on this topic in the past - on a video showing the Camaro ZL1 being brutalized, for instance - but this article gives a more in-depth look at what actually happens behind the scenes... including what that poor ZL1 went through. Though the test isn't for 24 hours straight, the cars are pushed as hard as possible by some of GM's best drivers with only the brakes and tires replaced frequently.
We don't want to ruin the fun for you, but it is an interesting article that tells just some of what GM does to develop its sports cars. Check out the full article over at Car and Driver for the rest of the story.

GM issues four new recalls, 2.4 million cars affected

General Motors has announced another set of recalls, covering some 2.42 million cars in the United States. For those keeping track, The General has now recalled over 15 million cars worldwide this year due to various issues.
Here's the breakdown for this most recent set of recalls:
1,339,355 - Buick Enclave, Chevrolet Traverse, GMC Acadia models from the 2009 to 2014 model years; Saturn Outlook models from the 2009 to 2010 model years