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Chevy Camaro Z/28 vs. Porsche 911 GT3: Track day shootout

We're in a Barber Motorsports Park garage in Birmingham, Ala., on a brisk morning with pro race-car driver Andy Pilgrim -- along with the Chevrolet Camaro Z/28 and Porsche 911 GT3, the latest, road course-focused street cars for 2014. Cadillac Racing pays Pilgrim to pilot a CTS-V coupe in the Pirelli World Challenge series, but today he is our hired gun to give us top-level feedback around the challenging 2.38-mile circuit. Pilgrim's r

Brabus kit improves diesel Mercedes power

German tuner Brabus does most of its work with big-displacement, big-power engines, mostly for Mercedes-Benz (though Smart products get the Brabus treatment from time to time as well). On Monday, it proved that it can do the same with the company’s oil burners. It’ll also sell you a Mercedes diesel with Brabus upgrades already installed.

Chevrolet Corvette ZR1 will be Indy 500 pace car

The 2013 Chevrolet Corvette ZR1 will be the pace car for this year's Indianapolis 500--a fitting victory lap as the current sixth-generation Corvette heads for the end of its production run and the end of this version of the ZR1. The Indy pace-car Corvette will wear the 60th-anniversary trim package--an arctic white exterior with silver stripes down the center of the car and a blue interior with suede leather coverings on the steering wheel, center console and in the seats. Changes for the pace car include only the addition of a light bar on the roof, some racing-safety equipment and race logos.