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The Toyota 2JZ engine is renowned in the automotive world for its performance potential and reliability. When paired with aftermarket components, such as Greddy camshafts, the 2JZ can achieve impressive power gains. In this article, we will explore the real-world results of a 450 horsepower build using Greddy camshafts, including the costs involved and the performance benefits.
Understanding the Toyota 2JZ Engine
The Toyota 2JZ is a 3.0-liter inline-six engine that gained fame through its use in the Toyota Supra MK4. Known for its robust construction and ability to handle high horsepower, the 2JZ has become a favorite among tuners. Key features include:
- Strong iron block with aluminum DOHC cylinder head
- Sequential twin-turbo setup in factory applications
- High-revving nature and excellent tuning capabilities
Greddy Camshafts: An Overview
Greddy camshafts are designed to enhance engine performance by optimizing airflow and improving the timing of valve openings and closings. The benefits of upgrading to Greddy camshafts for the 2JZ include:
- Increased horsepower and torque throughout the RPM range
- Improved throttle response
- Better overall engine efficiency
Real-World Performance Gains
After installing Greddy camshafts on a 2JZ engine, many enthusiasts have reported significant power gains. Here’s a breakdown of the performance improvements:
- Stock 2JZ power output: Approximately 280 HP
- With Greddy camshafts: Up to 450 HP
- Torque increase: From 318 lb-ft to over 400 lb-ft
Cost Breakdown
Upgrading to Greddy camshafts involves several costs that can vary based on the specific setup and additional modifications. Here’s a general cost breakdown:
- Greddy camshafts: $1,200 – $1,800
- Installation labor: $500 – $1,000
- Tuning services: $300 – $800
- Additional supporting mods (intake, exhaust, etc.): $1,000 – $3,000
Supporting Modifications for Optimal Performance
To maximize the benefits of Greddy camshafts, consider the following supporting modifications:
- Upgraded turbocharger for increased boost
- High-flow fuel injectors to support increased fuel demands
- Performance intercooler to reduce intake temperatures
- Aftermarket exhaust system for improved airflow
Conclusion
Upgrading to Greddy camshafts on a Toyota 2JZ can yield impressive power gains, transforming the engine into a high-performance powerhouse. While the costs can add up, the resulting performance enhancements make it a worthwhile investment for many automotive enthusiasts. With proper tuning and supporting modifications, achieving 450 horsepower is not just a dream but a tangible reality.