4g63 Turbo Upgrade Cost Analysis: from Stock to 700+ Hp with Cost and Parts Breakdown

The 4G63 engine, known for its performance in the Mitsubishi Eclipse and Lancer Evolution, is a popular choice for tuning enthusiasts. Upgrading this engine to reach 700+ horsepower is a thrilling yet complex endeavor. In this article, we will break down the costs and parts required for a successful turbo upgrade.

Understanding the 4G63 Engine

The 4G63 is a 2.0L inline-4 engine that has been a staple in the Mitsubishi lineup since the late 1980s. It features a DOHC design and has been praised for its robust build and tuning potential.

Stock Performance Overview

In its stock form, the 4G63 engine produces approximately 190-200 horsepower, depending on the specific model. This power output is sufficient for daily driving but leaves much room for improvement through upgrades.

Key Components for Turbo Upgrade

  • Turbocharger
  • Fuel injectors
  • Fuel pump
  • Intercooler
  • Exhaust system
  • Engine management system
  • Internal engine components

Turbocharger

The turbocharger is the heart of the upgrade. For 700+ hp, a larger turbo such as the Garrett GTX3076R is recommended. Prices can range from $1,200 to $2,000.

Fuel Injectors

Upgrading fuel injectors is crucial to ensure adequate fuel delivery. High-flow injectors (1000cc or more) can cost between $600 and $800.

Fuel Pump

A high-performance fuel pump is necessary to support increased fuel demands. Expect to pay around $150 to $300 for a quality pump.

Intercooler

An upgraded intercooler helps manage intake temperatures, improving performance. A good intercooler can range from $300 to $800.

Exhaust System

A free-flowing exhaust system is essential for maximizing turbo efficiency. A complete system can cost between $500 and $1,500.

Engine Management System

An aftermarket engine management system is vital for tuning the engine to handle increased power. Prices range from $600 to $1,200.

Internal Engine Components

For high horsepower applications, upgrading internal components such as pistons and rods is necessary. This can cost anywhere from $1,500 to $3,000.

Cost Breakdown Summary

Here’s a summarized cost breakdown for achieving 700+ hp on a 4G63 engine:

  • Turbocharger: $1,200 – $2,000
  • Fuel Injectors: $600 – $800
  • Fuel Pump: $150 – $300
  • Intercooler: $300 – $800
  • Exhaust System: $500 – $1,500
  • Engine Management System: $600 – $1,200
  • Internal Engine Components: $1,500 – $3,000

Total Estimated Cost

The total estimated cost for upgrading a 4G63 engine to 700+ hp ranges between $5,000 and $10,000, depending on the choice of parts and labor costs.

Conclusion

Upgrading the 4G63 engine to achieve 700+ horsepower is a significant investment but can lead to exhilarating performance on the road or track. Understanding the costs and components involved is crucial for anyone considering this upgrade.