Expert Guidance Backed by Real Transmission Experience

TCI Transmission Tech Manuals provide in-depth technical insight drawn directly from TCI’s decades of automatic transmission engineering and racing experience. Developed to support builders, installers, and enthusiasts alike, these manuals focus on clear explanations, proven procedures, and best practices that promote proper setup, tuning, and long-term reliability. With an emphasis on accuracy, practical knowledge, and real-world application, TCI manuals serve as a trusted resource for understanding transmission operation, improving performance, and ensuring confident results across a wide range of street and competition builds.