Cost Breakdown of a 4g63 Eclipse Stage 3 Build: Budgeting for Turbos, Pistons, and Supporting Upgrades

The 4G63 engine, known for its performance capabilities, has become a favorite among car enthusiasts, especially for those looking to build a Stage 3 Eclipse. This article will provide a detailed cost breakdown of the various components needed for a successful build, including turbos, pistons, and supporting upgrades.

Understanding the 4G63 Engine

The 4G63 is a turbocharged inline-four engine produced by Mitsubishi. It has a reputation for being robust and tunable, making it ideal for performance builds. To achieve Stage 3 performance, several key upgrades are necessary.

Key Components for a Stage 3 Build

  • Turbocharger
  • Pistons
  • Fuel injectors
  • Intercooler
  • Exhaust system
  • Engine management system

Turbocharger

The turbocharger is one of the most critical components for increasing power output. For a Stage 3 build, a larger turbo is recommended.

  • Aftermarket turbo: $1,200 – $2,500
  • Installation kit: $200 – $300

Pistons

Upgrading the pistons is essential for handling increased boost levels and maintaining engine integrity.

  • Forged pistons: $500 – $800
  • Piston rings: $100 – $200

Fuel Injectors

High-performance fuel injectors ensure that the engine receives the right amount of fuel for optimal performance.

  • Upgraded fuel injectors: $300 – $600
  • Fuel pump: $100 – $200

Intercooler

An efficient intercooler helps reduce the intake air temperature, improving performance and engine reliability.

  • Front mount intercooler: $400 – $800
  • Piping kit: $100 – $200

Exhaust System

A high-flow exhaust system enhances engine breathing, allowing for better performance.

  • Cat-back exhaust: $300 – $600
  • Downpipe: $150 – $300

Engine Management System

An advanced engine management system is crucial for tuning the engine to handle the increased power and boost levels.

  • Standalone ECU: $600 – $1,200
  • Tuning service: $300 – $500

Additional Supporting Upgrades

In addition to the core components, several supporting upgrades are necessary to ensure the engine runs smoothly and reliably.

  • Upgraded clutch: $300 – $600
  • Cooling system upgrades: $200 – $400
  • Suspension upgrades: $500 – $1,000
  • Braking system upgrades: $400 – $800

Total Cost Breakdown

When budgeting for a Stage 3 build, it’s essential to consider the total cost of all components and upgrades. Below is a rough estimate of the total expenses involved.

  • Turbocharger: $1,400 – $2,800
  • Pistons: $600 – $1,000
  • Fuel injectors: $400 – $800
  • Intercooler: $500 – $1,000
  • Exhaust system: $450 – $900
  • Engine management: $900 – $1,700
  • Supporting upgrades: $1,800 – $3,400

Conclusion

Building a Stage 3 4G63 Eclipse can be an exciting and rewarding project. However, it requires careful budgeting and planning to ensure that all necessary components and upgrades are accounted for. By following this cost breakdown, you can make informed decisions and achieve the performance goals you desire.