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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.

New V6 engines are only the start at Cadillac

Cadillac debuted its new family of V6 engines Friday, but that's not all General Motors' luxury brand has in store for the coming years. The six-cylinder powerplants will certainly help Cadillac in the near term, but they're just two of the many parts of the company's future strategy. GM has invested $12 billion in Cadillac to help the brand grow over the next five years, and the company will launch eight new products between now and 2020. That all starts with the launch of the CT6 flagship later this year – a fullsize luxury sedan we'll see for the first time in New York on March 31. The CT6 will introduce several new features and technologies to the Cadillac range, and with its launch also begins the slow restructuring of Cadillac's model-naming system. The new nomenclature means CT and XT badges for cars and utilities, respectively. Cadillac says that of the eight new vehicles it plans to launch by 2020, five of them will be first-time offerings in market segments where the brand currently does not play. But it's not just about new products – new powertrains are an important part of the Cadillac story, too. After the new V6 engines – a naturally aspirated 3.6-liter and a twin-turbocharged 3.0-liter engine – launch later this year in the 2016 ATS, CTS and CT6, the company says it has a strategy for V8 power – possibly a twin-turbo application – as well as future electrification. Cadillac also says it's working on adding four- and six-cylinder diesel powertrains, though it's unclear which vehicles will make use of those engines. This new six-cylinder engine family is indeed important, with Cadillac's chief engineer, David Leone, calling it the "most advanced V6 in the industry." With 335 horsepower, the 3.6-liter engine is the highest output, naturally aspirated V6 powerplant Cadillac has done – and that's SAE-certified, and on regular fuel. Beyond that, the 3.0-liter mill (pictured at right) marks the first application of GM's active fuel management system on a twin-turbocharged engine. This means that when full power isn't necessary, the TTV6 can run as a 2.0-liter V4 in order to save fuel. New transmissions are also part of the V6 engine story. GM's all-new eight-speed Hydra-Matic 8L45 gearbox will be paired to the 3.6-liter V6, and the 3.0-liter TTV6 will use the company's existing 8L90 transmission that is already found in the Chevrolet Silverado and GMC Sierra pickups (with the 6.2-liter engine).

Cadillac puts on a big performance for the Oscars with 'Rise' campaign

Cadillac skipped the Super Bowl, saving its big play for the 91st Oscars telecast tonight. America's luxury brand has a presence planned for nearly every medium, from television to Twitter to stairstep stories tied into the new commercial campaign. Speaking of which, that campaign is called "Rise," and lauds the "now-complete SUV portfolio" as well as Cadillac's determination to get back to the top. Four new spots will debut: "Rise Above," celebrating the XT6 and the rest of the new range, "Take the Stage," focused on the Escalade, "Make Your Escape," all about the XT4, "Take Flight," for the XT5. The first commercial will be 60 seconds, while the other three are 30-second spots. Cadillac chose Childish Gambino's song "Me and Your Mama" for the campaign soundtrack — it works a lot better than you might guess based on the track name. Beyond that, the Cadillac logo will grace the red carpet, the first time any commercial logo has made a home on the walk of honor. The stairs will be decorated with blue horizontals, inspired by the stair-like pattern of blue in the Cadillac crest. The blue in the carmaker's logo is said to represent "knightly valor" — which, yes, is totally made up, but Cadillac made it up a long time ago, not for this campaign. The real point is that two celebrities in attendance will stand on the steps and present their own stories of rising up. You can check out all the commercials here, watch them unveiled in real time during the Oscars telecast, keep up with what your eleventy hundred Twitter friends think by checking out the hashtag #KeepRising, and finish it off with some time on the Keep Rising microsite.