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The 4A-GE engine has long been a favorite among car enthusiasts and tuners alike. Known for its lightweight design and high-revving capabilities, this engine has proven to be a solid foundation for building performance vehicles. In this article, we will explore a specific build that has achieved impressive results using Web Camshafts, reaching a peak output of 170 horsepower.
Overview of the 4A-GE Engine
The 4A-GE is a 1.6-liter inline-four engine produced by Toyota, part of the A-series family. It features a DOHC design and was originally introduced in the 1983 Toyota Corolla AE86. The engine has gained a cult following due to its performance potential and tuning capabilities.
Key Specifications
- Displacement: 1.6 liters (1587 cc)
- Configuration: Inline-four, DOHC
- Peak Power: Varies by build, stock is around 130 hp
Choosing Web Camshafts
Web Camshafts is a well-respected name in the performance camshaft industry. Their products are known for providing significant power gains while maintaining reliability. For the 4A-GE build, selecting the right camshaft profile is crucial for achieving optimal performance.
Benefits of Upgrading Camshafts
- Increased airflow for improved combustion
- Higher RPM potential for enhanced power band
- Better throttle response
Building the Engine
The process of building a high-performance 4A-GE engine involves several key modifications. Each component plays a vital role in achieving the desired horsepower output. Here’s a breakdown of the essential steps in this build.
Essential Modifications
- Forged Pistons: Upgrading to forged pistons allows for higher compression ratios and better durability.
- Performance Rods: Lightweight connecting rods reduce overall engine weight and improve RPM response.
- Upgraded Fuel System: A high-flow fuel pump and larger injectors ensure adequate fuel delivery.
- ECU Tuning: Custom tuning of the engine management system maximizes performance and efficiency.
Achieving 170 Horsepower
With the right combination of components and tuning, the goal of reaching 170 horsepower is achievable. This section will detail the results of the build and the performance metrics observed during testing.
Dyno Testing Results
After completing the build, the engine was put on a dynamometer to measure its output. The results were impressive, showcasing the effectiveness of the modifications.
- Peak Power: 170 hp at 7,800 RPM
- Peak Torque: 140 lb-ft at 6,500 RPM
- Power Band: Smooth and linear from 3,000 to 8,000 RPM
Driving Experience
The real-world driving experience of the 4A-GE with Web Camshafts is exhilarating. The engine responds eagerly to throttle inputs, and the power delivery is both smooth and robust.
Handling and Performance
In addition to the engine modifications, enhancing the vehicle’s handling is essential for maximizing performance. Upgrades to suspension and brakes complement the engine’s power.
- Upgraded Suspension: Improved handling and stability during cornering.
- High-Performance Tires: Better grip and traction on various road conditions.
- Enhanced Braking System: Increased stopping power to match the engine’s performance.
Conclusion
The 4A-GE build with Web Camshafts achieving 170 horsepower is a testament to the potential of this iconic engine. With the right modifications and tuning, enthusiasts can unlock impressive performance while enjoying a thrilling driving experience. This build serves as an inspiration for those looking to push the limits of their 4A-GE engines.