The Rains Garage LS Master Guide: The Complete LS Engine Building, Swapping & Performance Manual

The Complete LS Engine Guide Built for Real Builders

Whether you’re performing your first LS swap or building a high-horsepower turbocharged engine, this guide takes you step by step through every stage of the process.

Inside you’ll learn:

• Complete LS engine identification
• Gen III vs. Gen IV differences
• Engine teardown and rebuilding
• Camshaft selection
• Cylinder heads and valvetrain
• Fuel system setup
• Wiring and electrical diagnostics
• LS swap planning
• HP Tuners basics
• Naturally aspirated, turbo, supercharger, and nitrous builds
• High-horsepower engine combinations
• Professional troubleshooting flowcharts
• Real-world shop techniques
• Checklists and worksheets

This isn’t just another repair manual—it’s a complete builder’s guide designed to help enthusiasts, mechanics, and professionals build reliable, powerful LS engines with confidence.