Colin Braun topped the second practice for the IMSA WeatherTech SportsCar Championship Sahlen's Six Hours of the Glen with his final lap in the No. 60 Meyer Shank Racing with Curb Agajanian Acura ARX-06.
Heavy rain that begin just as the LMP2 and LMP3 cars went out to set the grid scuttled qualifying for all the prototype classes, which will all be set based on points. The No.
A bold strategy by Porsche Penske Motorsports that saw both 963s complete the 100-minute Acura Grand Prix of Long Beach on a single set of tires, combined with a pit stop issue for the polesitting Wayne Taylor Racing, left the No.