Adding ICT Billet Brackets and Turning the Key on Our C10 Square Body LT Swap

Introduction

This tutorial guides you through the process of adding ICT Billet brackets and turning the key for the first time on your C10 Square Body LT swap. You will learn about the necessary parts, installation steps, and troubleshooting tips to ensure a smooth and successful engine swap.

Chapter 1: Overview of the Build

• Progress Made:
  • Removed the original 350 engine.
  • Cleaned the engine bay and frame.
  • Prepared the LT1 engine with an 8-speed transmission, including a DOD delete for improved performance.

Chapter 2: Parts Used in the Build

• Key ICT Billet Parts:
  • Valve covers for a polished look.
  • Valley pan to enhance aesthetics.
  • Power steering pump kit designed for newer LT engines (2019 and up) since they originally used electronic power steering.
  • AC bracket kit compatible with 2019 and newer LT engines, utilizing the factory alternator and a Sanden 5 compressor.

Chapter 3: Fuel System Setup

• Fuel System Configuration:
  • Installed a PWM fuel pump similar to factory setups.
  • Used a Corvette fuel regulator to manage pressure.
  • Retained the original fuel tank, replacing it with a drop-in module featuring an electronic pump and 6 AN line for easy hose connections.

Chapter 4: Wiring and Electronics

• Wiring Adjustments:
  • Removed the factory ECM from the '86 truck.
  • Passed new wiring harness through the firewall to keep it organized.
  • Installed new TCM and ECM for the LT engine.

Chapter 5: Custom Components for Fitment

• Custom Parts Created:
  • Designed a throttle pedal mount to ensure full throttle engagement without bottoming out.
  • Used a wiring adapter for the electronic pump positioned centrally, mimicking an LS engine setup.
  • Fabricated a transmission bracket to adapt the old style mount for compatibility with the existing crossmember.

Chapter 6: Troubleshooting Common Issues

• Initial Startup Problems:
  • Faced a no-start issue due to the vehicle's anti-theft system being activated.
  • Ensure to deactivate the anti-theft system in the ECM for the engine to crank.

Chapter 7: Final Steps Before First Start

• Preparing for First Start:
  • Check that the fuel pump is installed and the tank is filled with gas.
  • Ensure all ECM and TCM connections are secure.

Conclusion

You have now completed the essential steps for adding ICT Billet brackets and preparing your C10 for its first start. Ensure all components are properly fitted and troubleshoot any issues with the wiring and anti-theft system. Once your engine is running smoothly, your next step could be to take your C10 to events like LS Fest Texas to showcase your hard work. Happy swapping!