 However, the sister #70 car did not enjoy the same level of success in the race, being hit with a penalty at the start of the race, for changing tires on the grid, before being struck by a mechanical failure which hampered the turbocharger, leading to a loss of power, and eventually retiring from the race as a result.At the seventh round of the season, the Mobil 1 SportsCar Grand Prix, held at the Canadian Tire Motorsport Park, the two cars had a mixed session, with the #55 coming in 5th, clocking in a 1