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12Cadillac ATS to go racing in 2015 as CTS.V.R replacement

Cadillac has been racking up victories with the CTS.V.R in Pirelli World Challenge racing for two model generations now, including recent GT class championships in 2012 and 2013. However, even winning racers eventually have to retire, and it looks like the CTS may be taking a bow at the end of the season. In its place, Caddy is reportedly working on a new racecar based on the ATS Coupe, and it might even get to compete internationally.

23Watch how Corvette Racing's new collision-avoidance radar system works

When it comes to technology used in racecars, we generally expect it to trickle down to production cars, not the other way around. Well, Pratt & Miller has developed a new rear-facing radar that operates in a similar fashion to what we're used to in modern blind spot detection systems, only it is also capable of tracking cars as they approach and relaying vital information to the driver via a large display screen.

10Watch the Pratt & Miller Corvette team prep for Le Mans *UPDATE

In real estate, the three most important things are location, location, location. In motorsports, it's preparation, preparation, preparation. Le Mans is only a few days away and the Pratt & Miller team has put together a five-part series examining what they do to get the Corvette C6.R ready to win its class.

5The 24 Hours of Daytona in 1:42

Daytona International Speedway is one of motorsport's cathedrals, and when we think of grueling races on the 3.56-mile circuit, the Rolex 24 immediately comes to mind.

24Corvette C6.R GT2 livery looks... sharp

Corvettes look sharp. Racing 'Vettes, even sharper. A competition-spec ZR1? Now we're talking.

26What Might Have Been: Corvette LMP1 challenger

Click above for high-res gallery of the Pratt & Miller LMP1 Corvette that never was

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