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The 4B11T engine, known for its performance potential, can be transformed into a high-powered monster with the right modifications. This article provides a detailed cost breakdown of building a 4B11T engine from stock to an impressive 420 horsepower, all while keeping the budget around $5,000.
Understanding the 4B11T Engine
The 4B11T is a turbocharged inline-four engine used in various Mitsubishi models. It has gained popularity among performance enthusiasts due to its tuning potential. To achieve significant horsepower gains, several modifications are necessary.
Stock Engine Overview
Before diving into modifications, it’s essential to understand the stock specifications of the 4B11T engine:
- Displacement: 2.0 liters
- Stock horsepower: 154 hp
- Turbocharged with a small turbo
Modification Costs Breakdown
To reach 420 hp, the following modifications are typically required:
1. Turbo Upgrade
Upgrading the turbocharger is one of the most significant steps in increasing horsepower. A larger turbo can provide the necessary airflow for higher power levels.
- Cost: $1,200
- Recommended Turbo: Garrett GTX2860R
2. Fuel System Upgrade
To support increased power, the fuel system must be upgraded to deliver more fuel:
- High-flow fuel injectors: $500
- Upgraded fuel pump: $300
3. Engine Management System
A proper engine management system is crucial for tuning the engine to run efficiently with the new modifications:
- Standalone ECU: $800
- Tuning software: $200
4. Exhaust System
Upgrading the exhaust system can help improve airflow and reduce back pressure:
- High-performance cat-back exhaust: $600
- Downpipe: $400
5. Internal Engine Components
To handle the increased boost and power, some internal engine components may need to be upgraded:
- Forged pistons: $600
- Upgraded connecting rods: $700
6. Miscellaneous Costs
Additional costs can include gaskets, fluids, and other small parts necessary for the build:
- Gaskets and seals: $200
- Fluids and filters: $100
Total Cost Summary
Here’s a summary of the total costs involved in building a 4B11T engine to 420 hp:
- Turbo Upgrade: $1,200
- Fuel System Upgrade: $800
- Engine Management System: $1,000
- Exhaust System: $1,000
- Internal Engine Components: $1,300
- Miscellaneous Costs: $300
- Total: $5,000
Conclusion
Building a 4B11T engine to 420 hp is an achievable goal with a well-planned budget of $5,000. By carefully selecting the right components and performing the necessary upgrades, enthusiasts can create a powerful and reliable engine that enhances their driving experience.