TUSC: Rolex 24 GTLM class preview

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The TUDOR United SportsCar Championship premieres this weekend with the Rolex 24 at Daytona. We’ll have sporadic posts and updates for the season opener of the unified series, which brings together the GRAND-AM Rolex Series and American Le Mans Series.

Next up in our list of class previews, the GTLM class.

GTLM CLASS

WHAT IT IS: The lead GT class. All open; no driver limitations, and the only class to allow for open tire competition (incidentally, all GTLM cars at Daytona run on Michelins). It’s the GT class that carried over from the ALMS, which features factory efforts from manufacturers. Still, marks the first time any of these cars will be competing in the 24-hour race. SRT (2013), Porsche (2013) and Ferrari (2011-’13) have competed in the 24 Hours of Le Mans with their current model cars.

WHO THEY ARE: 11 cars strong, from six different manufacturers, driven by a mix of sports car veterans and IndyCar interlopers.

A QUICK BREAKDOWN: Corvette Racing (No. 3/4 Corvette C7.R), BMW Team RLL (No. 55/56 BMW Z4 GTLM), SRT Motorsports (No. 91/93 SRT Viper GTS-R) and Porsche North America (No. 911/912 Porsche 911 RSR) have two cars apiece. There’s two Ferraris, one apiece from Krohn Racing (No. 57) and Risi Competizione (No. 62), and a single Aston Martin from the Prodrive-run AMR factory squad (No. 97).

Porsche was quick at the Roar Before the Rolex 24 test; the manufacturer went 1-2 at Le Mans last year, in a 24-hour race that runs a little different than Daytona. Corvette seeks a debut win with the new C7. SRT made large performance strides in its first full season in 2013; BMW was great on handling circuits but struggled for top end speed; Ferrari and Aston Martin are the under-the-radar wild cards.

WHO TO WATCH: Too many stars to name, to be honest. Any of the drivers has the ability – whether consistently over several stints or for short bursts – to star. The privateer Krohn entry is the only car of the 11 without a realistic shot at winning, and it would not be a surprise to see three different manufacturers on the podium.

Gabby Chaves to sub for Joao Barbosa at Sahlen’s Six Hours of the Glen

Photo: IndyCar
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Gabby Chaves is set to return to the IMSA WeatherTech SportsCar Championship at Watkins Glen International later this month.

The Columbian-American driver, who last competed in IMSA in 2016 – with the DeltaWing outfit – will sub for the injured Joao Barbosa – he hurt his wrist in a cycling accident earlier in June – in the No. 5 Mustang Sampling Racing Cadillac DPi-V.R in the Sahlen’s Six Hours of the Glen.

Chaves will partner Filipe Albuquerque and Christian Fittipaldi in the No. 5 Cadillac.

Chaves expressed gratitude for being asked to fill in, but kept his enthusiasm muted, noting that he is getting the opportunity ultimately because another driver got hurt.

“The first thing is of course that you never want to have an opportunity because someone got hurt, so this is an unfortunate circumstance with Joao having his injury,”said Chaves. “But I appreciate the opportunity to join the championship-leading team. Mustang Sampling Racing has had a strong start this year and hopefully I can help the team continue to have those kinds of results.”

Chaves added, “I love Watkins Glen, it is a great track and I am looking forward to racing the Cadillac Prototype there. I’m excited to be going back to endurance racing. With different classes all racing at the same time, there is a lot for the driver to deal with as you work through traffic. So I am looking forward to racing at the Glen again, and I really appreciate this opportunity with Mustang Sampling Racing.”

Chaves’ most recent IMSA event was the 2016 Sahlen’s Six Hours of the Glen, when he finished seventh in the Prototype class.

The No. 5 Action Express Cadillac currently sits tied with the sister No. 31 Whelen Engineer Racing Cadillac of Eric Curran and Felipe Nasr atop the IMSA standings, though Barbosa’s hopes of a driver’s championship are set to take an enormous hit with him missing Watkins Glen.

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