Table of Contents
When it comes to enhancing the performance of the Honda S2000, supercharging is a popular option among enthusiasts. Two of the most common types of superchargers used for this application are Roots and Centrifugal superchargers. Each type has its unique characteristics, advantages, and disadvantages that can affect power gains. In this article, we will compare Roots and Centrifugal superchargers to determine which one provides the best power gains for the S2000.
Understanding Supercharger Types
Before diving into the comparison, it’s essential to understand the fundamental differences between Roots and Centrifugal superchargers.
- Roots Supercharger: This type of supercharger uses two rotors to compress air and deliver it directly to the engine. It provides immediate boost and is known for its high torque output at low RPMs.
- Centrifugal Supercharger: This supercharger uses a belt-driven impeller to compress air, similar to a turbocharger. It generates boost more progressively and is effective at higher RPMs.
Roots Supercharger Overview
Roots superchargers are often favored for their instant power delivery and simplicity of installation. They are typically mounted on top of the engine and directly linked to the crankshaft, making them straightforward to integrate into the S2000’s setup.
Advantages of Roots Superchargers
- Immediate throttle response and power delivery.
- High torque output at low RPMs, making it ideal for street driving.
- Relatively simple installation and tuning process.
Disadvantages of Roots Superchargers
- Typically heavier than centrifugal superchargers.
- Less efficient at higher RPMs compared to centrifugal designs.
- Can generate more heat, which may require additional cooling solutions.
Centrifugal Supercharger Overview
Centrifugal superchargers are known for their efficiency and ability to produce higher levels of boost at elevated RPMs. They are generally lighter and can be mounted in various locations, offering more flexibility in engine bay layout.
Advantages of Centrifugal Superchargers
- Higher efficiency at high RPMs, leading to increased power gains.
- Lighter weight compared to Roots superchargers, contributing to better weight distribution.
- Can be more customizable in terms of mounting and tuning options.
Disadvantages of Centrifugal Superchargers
- Delayed power delivery, with boost building progressively.
- Less torque at low RPMs, which may affect drivability in some scenarios.
- Installation can be more complex due to additional components required.
Power Gains Comparison
When it comes to power gains, both supercharger types can significantly enhance the performance of the S2000, but their effectiveness can vary based on driving style and application.
Roots Supercharger Power Gains
Roots superchargers can provide substantial low-end torque, making them ideal for street applications where immediate throttle response is crucial. Users often report power gains of 100+ horsepower, particularly in the mid-range RPMs.
Centrifugal Supercharger Power Gains
Centrifugal superchargers excel in high RPM scenarios, often resulting in greater peak horsepower figures. Power gains can exceed 150 horsepower, especially when tuned for maximum output. However, the boost curve may not be as aggressive at lower RPMs.
Choosing the Right Supercharger for Your S2000
Ultimately, the choice between a Roots and a Centrifugal supercharger for the S2000 depends on your driving preferences and performance goals. Consider the following factors:
- Driving Style: If you prefer immediate power and torque for street driving, a Roots supercharger may be the better option.
- Performance Goals: For those seeking maximum peak horsepower and efficiency at high RPMs, a Centrifugal supercharger could be more suitable.
- Installation and Budget: Consider the complexity of installation and the overall budget for the supercharger system.
Conclusion
In conclusion, both Roots and Centrifugal superchargers offer unique benefits for enhancing the performance of the Honda S2000. The best choice ultimately depends on your specific needs, whether that be immediate power delivery or high-end performance. By understanding the strengths and weaknesses of each type, you can make an informed decision that aligns with your driving style and performance objectives.