Only 35 of the scheduled 50 minutes completed.
Round 10 is Saturday at Mid-Ohio Sports Car Course.
The Canadian racer will pilot the Dodge Viper SRT GT3-R, prepared by Riley Technologies.
Dyson Racing Team Bentley debut race slated for June 20 at Road America
The rest of the PWC field is in Detroit, leaving Touring Cars to their own show
Takes first of two races this weekend
A last lap mistake by Anthony Lazzaro handed the overall win to Audi's Andrew Palmer Sunday.
Bentley Boy Guy Smith to pilot second Bentley; joins Butch Leitzinger.
O'Connell still in control of the GT points.
Ron Yarab impresses in first event with the team.
The field raced under a green flag for only 13 laps before the skies opened and it began to rain.
Contact after a restart and resulting pit stop proves costly.
Pirelli World Challenge winners on Saturday repeat in second round.
O'Connell still leading GT points.
RealTime Racing Acura advances through field as showers fall at Mid-Ohio.