Sunday, October 4

The Lone Star Le Mans part two: Road-derived racers

Last month, we were at the Circuit of the Americas in Austin, Texas for the annual Lone Star Le Mans, a double-header of sports car endurance racing. Yesterday, we covered the action from the very fastest cars on track, the 1000+hp hybrids that fight for the overall win in the World Endurance Championship.

But the Lone Star Le Mans isn't just about these high-tech hypercars. Both of the headlining races also feature highly competitive Grand Touring—GT for short—classes. These cars start life as production road cars, built in the same factories as road-going Aston Martin Vantages, Corvette Z06s, Ferrari 458s, and so on, before being modified for racing. Those changes are still quite tightly regulated, through a process called homologation.

The GT classes—called GTE in WEC and GTLM in TUSC—have given us some truly thrilling races over the past few years, thanks to a rule set that hasn't let a single make become overly dominant. We've previously taken a look at Chevrolet's Corvette Racing GT program, so in Austin we took the opportunity to catch up with some of the other teams. A lot of the focus is now on 2016's cars, most of which recently took part in a series of tests held by the FIA in France.

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