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Revitalize Your Drivetrain: Rebuilding & Modifying GM Turbo 400 Transmissions

The GM Turbo 400 (TH400) transmission is a legendary automatic gearbox, celebrated for its incredible strength and durability in high-performance applications. The SA Design How to Rebuild & Modify GM Turbo 400 Transmissions book, MPN SA186, is the essential companion for anyone looking to restore, upgrade, or customize this iconic transmission. This 144-page paperback offers detailed, step-by-step instructions and expert insights to ensure your TH400 performs flawlessly under any condition.

Comprehensive Coverage Includes:

• Disassembly & Inspection: Proper techniques for taking apart your TH400 and thoroughly inspecting all components for wear.
• Component Replacement: Guidance on selecting and installing new clutches, bands, seals, and bearings.
• Performance Modifications: Enhance shift feel, increase line pressure, and improve durability for racing or heavy-duty use.
• Shift Kit Installation: Detailed instructions for installing popular shift kits to achieve firmer, quicker shifts.
• Torque Converter Selection: Understanding stall speeds and choosing the right torque converter for your engine and application.
• Valve Body & Governor Tuning: Optimizing hydraulic circuits for precise control and performance.
• Troubleshooting & Assembly: Expert tips for smooth reassembly and diagnosing common transmission issues.

Whether you're rebuilding a stock TH400 for a classic restoration or modifying one to handle extreme horsepower in a drag car, this book provides the confidence and knowledge you need. It's an invaluable resource for DIY mechanics and professional builders alike, helping you extend the life and performance of your GM Turbo 400 transmission. Find this indispensable SA Design guide and more at GGCRACING.