BRASELTON, Ga. — Racing season finales, like this weekend’s Motul Petit Le Mans at Michelin Raceway Road Atlanta, tend to be bittersweet affairs. Here are some things to watch for at Michelin Raceway this weekend:. The team, manufacturer and driver championships for all five WeatherTech Championship classes will be decided this weekend. What’s more, Motul Petit Le Mans is the final long-distance event in the four-race IMSA Michelin Endurance Cup championship. With no more than five points separating the top teams and drivers in each class, those titles are also on the line. Through the years, four manufacturers (Acura, Cadillac, Mazda and Nissan) were represented. Although Acura has essentially clinched its third DPi team and driver crowns — to be decided between the No.

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