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The VQ37 engine, known for its robust design and performance potential, offers enthusiasts a fantastic platform for high-performance builds. With the right modifications, including custom camshafts and aftermarket pistons, achieving over 600 horsepower is within reach. This article will explore the key components and strategies for maximizing the VQ37’s performance.
Understanding the VQ37 Engine
The VQ37 is a 3.7-liter V6 engine from Nissan, part of the VQ family known for its smooth operation and high-revving capabilities. It is commonly found in models like the Nissan 370Z and Infiniti G37. The engine’s design allows for significant tuning potential, making it a popular choice among performance enthusiasts.
Key Components for High-Performance Builds
To achieve over 600 horsepower from the VQ37, several key components must be upgraded. These include:
- Custom camshafts
- Aftermarket pistons
- Upgraded fuel injectors
- High-performance intake and exhaust systems
- ECU tuning
Custom Camshafts
Custom camshafts are crucial for enhancing the engine’s airflow and performance characteristics. By optimizing lift and duration, these camshafts can significantly improve power output across the RPM range. When selecting camshafts, consider the following:
- Lift and duration specifications
- Compatibility with other engine modifications
- Intended use (street vs. track)
Aftermarket Pistons
Aftermarket pistons play a vital role in increasing compression ratios and overall engine efficiency. When choosing pistons, look for options that offer:
- Lightweight materials for improved rev response
- Enhanced strength to withstand high horsepower
- Specific designs for better combustion efficiency
Supporting Modifications
In addition to camshafts and pistons, several supporting modifications are essential for achieving and maintaining high horsepower levels:
- Upgraded fuel system: Ensure your fuel injectors and pump can handle increased demand.
- High-performance intake: A well-designed intake system can improve airflow and throttle response.
- Exhaust upgrades: Free-flowing exhaust systems reduce back pressure and enhance power output.
- ECU tuning: Proper tuning is critical to optimize fuel maps and ignition timing for maximum performance.
Building for Reliability
While chasing high horsepower numbers, reliability should not be overlooked. Consider the following tips to ensure your VQ37 build remains dependable:
- Use quality components from reputable manufacturers.
- Regularly monitor engine parameters to catch potential issues early.
- Invest in a robust cooling system to prevent overheating during high-performance use.
- Schedule routine maintenance to keep the engine in top shape.
Conclusion
Building a high-performance VQ37 engine capable of exceeding 600 horsepower requires careful planning and execution. By integrating custom camshafts, aftermarket pistons, and supporting modifications, enthusiasts can unlock the full potential of this remarkable engine. With the right approach, the VQ37 can deliver thrilling performance on both the street and the track.