A dramatic late-restart collision between GTP contenders Kevin Estre and Jack Aitken in the closing minutes was the peak of Sunday’s chaotic Motul SportsCar Endurance Grand Prix.<br>With just over 10 minutes remaining in the six-hour IMSA Michelin Endurance Cup round at the 4.048-mile, 14-turn natural terrain road course, Estre, in the # 6 Porsche Penske Motorsport Porsche 963, and Aitken, in ...<a class='more' href='https://www.motorsport.com/imsa/news/jack-aitken-and-kevin-estre-sound-off-on-race-ending-collision-at-road-america/10843933/?utm_source=RSS&utm_medium=referral&utm_campaign=RSS-ALL&utm_term=News&utm_content=www'>Keep reading</a>