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IMSA Manuals & User Guides

The International Motor Sports Association (IMSA) provides comprehensive schedules, rules, technical guidelines, and manuals for professional sports car racing circuits.

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IMSA manuals

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IMSA 021424 V1 Weathertech Sportscar ChampManyèl Pwopriyetè ionship

7 mas 2024

2024 IMSA SPORTING REGULATIONS & SERIES SUPPLEMENTARY REGULATIONS 021424 V1 Weathertech Sportscar Champiyonship nan IMSA WEATHERTECH SPORTSCAR CHAMPIONSHIP Sanctioned by INTERNATIONAL MOTOR SPORTS ASSOCIATION One Daytona Blvd. Daytona Beach,…

2023 IMSA WeatherTech Sports Car ChampManyèl Enstriksyon ionship

2 janvye 2024

2023 IMSA SPORTING REGULATIONS & SERIES SUPPLEMENTARY REGULATIONS of the IMSA WEATHERTECH SPORTSCAR CHAMPIONSHIP Sanksyone pa IMSA WeatherTech Sports Car Ch 2023ampionship FOREWORD For all Members, the IMSA RULES of…

Sahlen's Six Hours of the Glen 2026: Provisional Schedule and Supplementary Regulations

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Official provisional schedule and supplementary regulations for Sahlen's Six Hours of the Glen, featuring IMSA WeatherTech SportsCar Championship, Michelin Pilot Challenge, Lamborghini Super Trofeo, Porsche Carrera Cup North America, and…

2026 USAC Road Racing & IMSA Airbnb Endurance Challenge Schedule and Regulations - Sebring International Raceway

Event Guide and Schedule

Official schedule and supplementary regulations for the 2026 USAC Road Racing and IMSA Airbnb Endurance Challenge at Sebring International Raceway, March 6-8, 2026. Includes event information, track details, and participant…

2023 IMSA WeatherTech SportsCar Championship Sporting Regulations

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Official 2023 Sporting and Series Supplementary Regulations for the IMSA WeatherTech SportsCar Championship, detailing rules, procedures, and requirements for competitors. Includes information on membership, entries, safety, and competition conduct.

O'Reilly Auto Parts 4 Hours of Mid-Ohio 2025: Official Schedule & Regulations

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Official schedule and supplementary regulations for the O'Reilly Auto Parts 4 Hours of Mid-Ohio, featuring IMSA Michelin Pilot Challenge, Mazda MX-5 Cup, and VP Racing SportsCar Challenge, June 6-8, 2025.

ROAR Before the 24 Daytona 2026: Official Schedule & Regulations

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Official schedule and supplementary regulations for the ROAR Before the 24 event at Daytona International Speedway, January 16-18, 2026. Features event details, daily schedules, technical regulations, and logistical information for…

Rolex 24 At DAYTONA 2026: Official Schedule and Supplementary Regulations

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Official schedule and supplementary regulations for the 2026 Rolex 24 At DAYTONA race, including event details, track information, and series-specific rules for IMSA WeatherTech SportsCar Championship, IMSA Michelin Pilot Challenge,…

2026 IMSA Sporting Regulations & Series Supplementary Regulations

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Official 2026 Sporting Regulations and Series Supplementary Regulations for the IMSA WeatherTech SportsCar Championship, detailing rules for competitors, events, and series operations.

IMSA GTP Regulation Clarification: Rear Diffuser Technical Bulletin #26-14

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Technical bulletin #26-14 from IMSA clarifies LMDh Technical Regulation 3.5.3 regarding the rear diffuser specifications for GTP cars homologated prior to 2026. Details include inclined surfaces, volume compliance, radius limits,…

2026 IMSA Michelin Pilot Challenge Grand Sport Technical Regulations

Technical Regulations

Official technical regulations for the 2026 IMSA Michelin Pilot Challenge Grand Sport class, detailing car specifications, safety requirements, vehicle systems, electronics, and refueling procedures for competitors.

2026 IMSA Sporting Regulations & Series Supplementary Regulations

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Official 2026 IMSA Sporting Regulations and Series Supplementary Regulations for the IMSA WeatherTech SportsCar Championship, sanctioned by the International Motor Sports Association (IMSA). This document details the rules governing competition,…

IMSA 2026 LMP2 Electronics Technical Bulletin

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Official technical bulletin from IMSA detailing the required electronics for the 2026 WeatherTech SportsCar Championship LMP2 class, including component specifications and ordering information.

2026 IMSA VP Racing Sportscar Challenge GTDX Technical Regulations

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Official 2026 Technical Regulations for the IMSA VP Racing Sportscar Challenge, Grand Touring Daytona X (GTDX) class, detailing car specifications, safety requirements, and competition rules.