The WeatherTech Championship (All Classes) Warm Up at the 2016 FIA World Endurance Championship (WEC), the 6 Hours of Circuit of the Americas.

September 17, 2016, Austin, Texas, USA: Mazda Motorsports drivers Jonathan Bomarito / Tristan Nunez (55) in a Mazda Prototype during the WeatherTech Championship (All Classes) Warm Up at the 2016 FIA World Endurance Championship (WEC), the 6 Hours of Circuit of the Americas. Photo Credit: Al Milligan-KLC fotos

The WeatherTech Championship (All Classes) Warm Up at the 2016 FIA World Endurance Championship (WEC), the 6 Hours of Circuit of the Americas.

September 17, 2016, Austin, Texas, USA: Turner Motorsport's BMW M6 GT3 (96) driven by Bret Curtis and Jens Klingman going around a corner during the WeatherTech Championship (All Classes) Warm Up at the 2016 FIA World Endurance Championship (WEC), the 6 Hours of Circuit of the Americas. Photo Credit: Al Milligan-KLC fotos

The WeatherTech Championship (All Classes) Warm Up at the 2016 FIA World Endurance Championship (WEC), the 6 Hours of Circuit of the Americas.

September 17, 2016, Austin, Texas, USA: Performance Tech Motorsports driver James French (38)in a ORECA FLM09 - Chevrolet during the WeatherTech Championship (All Classes) Warm Up at the 2016 FIA World Endurance Championship (WEC), the 6 Hours of Circuit of the Americas. Photo Credit: Al Milligan-KLC fotos

The WeatherTech Championship (All Classes) Warm Up at the 2016 FIA World Endurance Championship (WEC), the 6 Hours of Circuit of the Americas.

September 17, 2016, Austin, Texas, USA: Mazda Motorsports drivers Joel Miller / Tom Long (70) in a Mazda Prototype going around a corner behind Action Express Racings drivers Joao Barbosa / Christian Fittipaldi (5) in a Corvette DP during the WeatherTech Championship (All Classes) Warm Up at the 2016 FIA World Endurance Championship (WEC), the 6 Hours of Circuit of the Americas. Photo Credit: Al Milligan-KLC fotos

The WeatherTech Championship (All Classes) Warm Up at the 2016 FIA World Endurance Championship (WEC), the 6 Hours of Circuit of the Americas.

September 17, 2016, Austin, Texas, USA: Visit Florida Racing drivers Ryan Daiziel / Marc Goossens (90) in a Corvette DP leading Starworks Motorsports drivers Mark Kvamme / Richard Bradley (88) in a ORECA FLM09 - Chevrolet up the hill during the WeatherTech Championship (All Classes) Warm Up at the 2016 FIA World Endurance Championship (WEC), the 6 Hours of Circuit of the Americas. Photo Credit: Al Milligan-KLC fotos

The WeatherTech Championship (All Classes) Warm Up at the 2016 FIA World Endurance Championship (WEC), the 6 Hours of Circuit of the Americas.

September 17, 2016, Austin, Texas, USA: Visit Florida Racing drivers Ryan Daiziel / Marc Goossens (90) in a Corvette DP during the WeatherTech Championship (All Classes) Warm Up at the 2016 FIA World Endurance Championship (WEC), the 6 Hours of Circuit of the Americas. Photo Credit: Al Milligan-KLC fotos

The WeatherTech Championship (All Classes) Warm Up at the 2016 FIA World Endurance Championship (WEC), the 6 Hours of Circuit of the Americas.

September 17, 2016, Austin, Texas, USA: Porsche Norh America drivers Patrick Pilet / Nick Tandy (911) in a Porsche 911 RSR leading Corvette Racing drivers Antonio Garcia / Jan Magnussen (3) in a Chevrolet Corvette C7.R (3) and TRG-AMR's Aston Martin Vantage GT3 (007) driven by John McCutchen up a hill during the WeatherTech Championship (All Classes) Warm Up at the 2016 FIA World Endurance Championship (WEC), the 6 Hours of Circuit of the Americas. Photo Credit: Al Milligan-KLC fotos

The WeatherTech Championship (All Classes) Warm Up at the 2016 FIA World Endurance Championship (WEC), the 6 Hours of Circuit of the Americas.

September 17, 2016, Austin, Texas, USA: Riley Motorsports Dodge Viper GT3-R (33) being driven by Ben Keating and Joreon Bleekemolen going around a corner during the WeatherTech Championship (All Classes) Warm Up at the 2016 FIA World Endurance Championship (WEC), the 6 Hours of Circuit of the Americas. Photo Credit: Al Milligan-KLC fotos

The WeatherTech Championship (All Classes) Warm Up at the 2016 FIA World Endurance Championship (WEC), the 6 Hours of Circuit of the Americas.

September 17, 2016, Austin, Texas, USA: Magnus Racing's Audi R8LMS GT3 (44) being driven by John Potter and Andy Lally going around Turn 1 during the WeatherTech Championship (All Classes) Warm Up at the 2016 FIA World Endurance Championship (WEC), the 6 Hours of Circuit of the Americas. Photo Credit: Al Milligan-KLC fotos

The WeatherTech Championship (All Classes) Warm Up at the 2016 FIA World Endurance Championship (WEC), the 6 Hours of Circuit of the Americas.

September 17, 2016, Austin, Texas, USA: Panoz DeltaWing Racing drivers Katherine Legge (0) in a Delta Wing DWC13 - Elan being chased by Turner Motorsports BMS M6 GT3 being driven by Bret CXurtis and Jen Klingman around Turn 1 during the WeatherTech Championship (All Classes) Warm Up at the 2016 FIA World Endurance Championship (WEC), the 6 Hours of Circuit of the Americas. Photo Credit: Al Milligan-KLC fotos

The WeatherTech Championship (All Classes) Warm Up at the 2016 FIA World Endurance Championship (WEC), the 6 Hours of Circuit of the Americas.

September 17, 2016, Austin, Texas, USA: Panoz DeltaWing Racing driver Katherine Legge (0) in a Delta Wing DWC13 - Elan going around Turn 1 during the WeatherTech Championship (All Classes) Warm Up at the 2016 FIA World Endurance Championship (WEC), the 6 Hours of Circuit of the Americas. Photo Credit: Al Milligan-KLC fotos

The WeatherTech Championship (All Classes) Warm Up at the 2016 FIA World Endurance Championship (WEC), the 6 Hours of Circuit of the Americas.

September 17, 2016, Austin, Texas, USA: Performance Tech Motorsports driver James French (38) in a ORECA FLM09 - Chevrolet going around Turn 1 during the WeatherTech Championship (All Classes) Warm Up at the 2016 FIA World Endurance Championship (WEC), the 6 Hours of Circuit of the Americas. Photo Credit: Al Milligan-KLC fotos

The WeatherTech Championship (All Classes) Warm Up at the 2016 FIA World Endurance Championship (WEC), the 6 Hours of Circuit of the Americas.

September 17, 2016, Austin, Texas, USA: Starworks Motorsports drivers Mark Kvamme / Richard Bradley (88) in a ORECA FLM09 - Chevrolet being chased by Stevenson Motorsports drivers Robin Liddell / Andrew Davis (6) in an Audi R8 LMS GT3 around Turn 1 during the WeatherTech Championship (All Classes) Warm Up at the 2016 FIA World Endurance Championship (WEC), the 6 Hours of Circuit of the Americas. Photo Credit: Al Milligan-KLC fotos

The WeatherTech Championship (All Classes) Warm Up at the 2016 FIA World Endurance Championship (WEC), the 6 Hours of Circuit of the Americas.

September 17, 2016, Austin, Texas, USA: Starworks Motorsports drivers Alex Popow / Renger van de Zande (8) in a ORECA FLM09 - Chevrolet being chased by Stevenson Motorsports drivers Robin Liddell / Andrew Davis (6) in an Audi R8 LMS GT3 around Turn 1 during the WeatherTech Championship (All Classes) Warm Up at the 2016 FIA World Endurance Championship (WEC), the 6 Hours of Circuit of the Americas. Photo Credit: Al Milligan-KLC fotos

The WeatherTech Championship (All Classes) Warm Up at the 2016 FIA World Endurance Championship (WEC), the 6 Hours of Circuit of the Americas.

September 17, 2016, Austin, Texas, USA: Early morning in the paddocks during the WeatherTech Championship (All Classes) Warm Up at the 2016 FIA World Endurance Championship (WEC), the 6 Hours of Circuit of the Americas. Photo Credit: Al Milligan-KLC fotos

The WeatherTech Championship (All Classes) Warm Up at the 2016 FIA World Endurance Championship (WEC), the 6 Hours of Circuit of the Americas.

September 17, 2016, Austin, Texas, USA: Turner Motorsports BMW M6 GT3 (97) driven by Michael Marsal and Markus Palttal leading BAR1 Motorsports drivers Mat McMurry / Bruno Junqueira (20) in an ORECA FLM09 - Chevrolet around Turn 1 during the WeatherTech Championship (All Classes) Warm Up at the 2016 FIA World Endurance Championship (WEC), the 6 Hours of Circuit of the Americas. Photo Credit: Al Milligan-KLC fotos

The WeatherTech Championship (All Classes) Warm Up at the 2016 FIA World Endurance Championship (WEC), the 6 Hours of Circuit of the Americas.

September 17, 2016, Austin, Texas, USA: Turner Motorsports BMW M6 GT3 (97) driven by Michael Marsal and Markus Palttal leading BAR1 Motorsports drivers Mat McMurry / Bruno Junqueira (20) in an ORECA FLM09 - Chevrolet around Turn 1 during the WeatherTech Championship (All Classes) Warm Up at the 2016 FIA World Endurance Championship (WEC), the 6 Hours of Circuit of the Americas. Photo Credit: Al Milligan-KLC fotos

The WeatherTech Championship (All Classes) Warm Up at the 2016 FIA World Endurance Championship (WEC), the 6 Hours of Circuit of the Americas.

September 17, 2016, Austin, Texas, USA: Porsche Norh America drivers Earl Bamber / Frederic Makowiecki (912) in aPorsche 911 RSR going around Turn 1 during the WeatherTech Championship (All Classes) Warm Up at the 2016 FIA World Endurance Championship (WEC), the 6 Hours of Circuit of the Americas. Photo Credit: Al Milligan-KLC fotos

The WeatherTech Championship (All Classes) Warm Up at the 2016 FIA World Endurance Championship (WEC), the 6 Hours of Circuit of the Americas.

September 17, 2016, Austin, Texas, USA: Park Place Motorsports Porsche 911 GT3 R (73) driven by Patrick Lindsey and Jorg Bergmeister going around Turn 1 during the WeatherTech Championship (All Classes) Warm Up at the 2016 FIA World Endurance Championship (WEC), the 6 Hours of Circuit of the Americas. Photo Credit: Al Milligan-KLC fotos

The WeatherTech Championship (All Classes) Warm Up at the 2016 FIA World Endurance Championship (WEC), the 6 Hours of Circuit of the Americas.

September 17, 2016, Austin, Texas, USA: Turner Motorsport BMW M6 GT3 (96) being driven by Bret Curtis and Jens Klingmann going around Turn 1 during the WeatherTech Championship (All Classes) Warm Up at the 2016 FIA World Endurance Championship (WEC), the 6 Hours of Circuit of the Americas. Photo Credit: Al Milligan-KLC fotos

The WeatherTech Championship (All Classes) Warm Up at the 2016 FIA World Endurance Championship (WEC), the 6 Hours of Circuit of the Americas.

September 17, 2016, Austin, Texas, USA: BAR1 Motorsports drivers Mat McMurry / Bruno Junqueira (20) in an ORECA FLM09 - Chevrolet leading Change Racings Lamborghini Huracan GT3 (16) around Turn 1 during the WeatherTech Championship (All Classes) Warm Up at the 2016 FIA World Endurance Championship (WEC), the 6 Hours of Circuit of the Americas. Photo Credit: Al Milligan-KLC fotos

The WeatherTech Championship (All Classes) Warm Up at the 2016 FIA World Endurance Championship (WEC), the 6 Hours of Circuit of the Americas.

September 17, 2016, Austin, Texas, USA: Starworks Motorsports drivers Jose Gutierrez /Gustavo Yacaman (7) in a ORECA FLM09 - Chevrolet with the inside edge over BMW Team RLL's drivers Bill Auberlen / Dirk Wernet (25) in a BMW M6 GTLM going around Turn 1 during the WeatherTech Championship (All Classes) Warm Up at the 2016 FIA World Endurance Championship (WEC), the 6 Hours of Circuit of the Americas. Photo Credit: Al Milligan-KLC fotos