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IMSA Spin Test Data Submission Schedule - Virginia International Raceway Event Technical bulletin detailing the schedule and requirements for IMSA Spin Test data submission for the Virginia International Raceway event, including GTD and GTD PRO classes. |
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IMSA Technical Memo IWSC #19-01: 2019 Scrutineering Loom Certification IMSA Technical Memo #19-01 informs IMSA WeatherTech SportsCar Championship Competitors about the 2019 Scrutineering Loom certification requirements, detailing delivery deadlines and contacts for DPi, LMP2, GTLM, and GTD categories. |
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IMSA Technical Bulletin #25-65: Spin Test Data Submission Deadlines for Motul SportsCar Grand Prix Official IMSA technical bulletin detailing spin test data submission requirements, deadlines, and procedures for participants in the Motul SportsCar Grand Prix, including GTD and GTP classes. |
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IMSA Technical Bulletin #25-64: GTP, GTD, GTD PRO Regulatory Control Diagram Update Official IMSA technical bulletin #25-64 dated July 22, 2025, announcing an update to the GTP, GTD, and GTD PRO Regulatory Control Diagrams. Details on Release 2436 and access via NASCAR ShareFile for IMSA WeatherTech Sportscar Championship participants. |
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Sahlen's Six Hours of the Glen 2025 Official Schedule and Supplementary Regulations Official schedule and supplementary regulations for Sahlen's Six Hours of the Glen, featuring IMSA WeatherTech SportsCar Championship, IMSA Michelin Pilot Challenge, Lamborghini Super Trofeo, and Porsche Carrera Cup North America at Watkins Glen International, June 19-22, 2025. |
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Motul SportsCar Grand Prix at Road America 2025 Provisional Schedule and Supplementary Regulations The official provisional schedule and supplementary regulations for the Motul SportsCar Grand Prix at Road America, featuring IMSA WeatherTech SportsCar Championship, IMSA Michelin Pilot Challenge, Lamborghini Super Trofeo, and Porsche Carrera Cup North America. |
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2025 Sahlen's Six Hours of the Glen Spotter Guide A comprehensive spotter guide for the 2025 Sahlen's Six Hours of the Glen endurance race, detailing car numbers, drivers, teams, and car specifications for various classes including GTP, LMP2, GTD PRO, and GTD. |
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Tire Rack.com Battle On The Bricks 2025: Official Schedule & Regulations - Indianapolis Motor Speedway Comprehensive schedule and supplementary regulations for the Tire Rack.com Battle On The Bricks 2025 event at Indianapolis Motor Speedway, featuring IMSA WeatherTech SportsCar Championship, Michelin Pilot Challenge, Lamborghini Super Trofeo, and Porsche Carrera Cup. |