GTLM articles, project cars, conversations, and more on Grassroots Motorsports


Porsche Leaving IMSA GTLM at End of 2020

Porsche announced that they plan to exit the GTLM class of the North American IMSA WeatherTech SportsCar Championship at the end of 2020.

WeatherTech Racing Moves up To GTLM for 2021 Season

WeatherTech Racing is moving to compete in GTLM for the 2021 season.

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