AUTO: SEP 24 America's Tire 250 Race

MONTEREY, CA - SEP 24: GTD class Porsche 911 GT3 R (#50) with driver team Cooper MacNeil and Gunnar Jeannette during warm-up for the America's Tire 250 Race for the IMSA Wearthertech SportsCar Championship held September 24, 2017 at Mazda Raceway Laguna Seca, CA. (Photo by Allan Hamilton/CalSports Photomedia)