How to Achieve 650+ Hp in Your Rx-7 Ls Swap Using a Magnuson Supercharger

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The Mazda RX-7 is a beloved sports car known for its lightweight design and rotary engine. However, many enthusiasts are opting for LS swaps to achieve higher horsepower and torque. One effective way to boost your RX-7’s performance is by adding a Magnuson supercharger. In this article, we will explore how to achieve 650+ horsepower in your RX-7 LS swap using this powerful supercharger.

Understanding the Basics of LS Swaps

Before diving into the specifics of supercharging, it’s essential to understand the fundamentals of an LS swap. The LS engine family, originating from General Motors, offers a range of V8 engines that are known for their reliability and performance. Swapping an LS engine into an RX-7 involves several key components:

  • Engine Mounts
  • Transmission Adapter
  • Wiring Harness
  • Cooling System Upgrades

The Magnuson Supercharger: An Overview

The Magnuson supercharger is a positive displacement supercharger that provides instant boost and power. Its design allows for increased airflow into the engine, which is crucial for achieving high horsepower numbers. Here are some key features:

  • High Efficiency
  • Compact Size
  • Intercooler Options
  • Easy Installation

Steps to Achieve 650+ HP

1. Selecting the Right LS Engine

To reach 650+ horsepower, you should start with a robust LS engine. The LS3 or LS7 are excellent choices due to their higher displacement and performance characteristics. Consider the following:

  • LS3: 6.2L, 430 HP
  • LS7: 7.0L, 505 HP

2. Installing the Magnuson Supercharger

Once you’ve selected your LS engine, the next step is to install the Magnuson supercharger. Follow these steps:

  • Remove the factory intake manifold.
  • Install the supercharger mounting plate.
  • Attach the Magnuson supercharger to the mounting plate.
  • Connect the necessary plumbing for the intercooler.

3. Upgrading Fuel System

To support the increased power, upgrading the fuel system is crucial. Here’s what you need:

  • High-Flow Fuel Injectors
  • Upgraded Fuel Pump
  • Adjustable Fuel Pressure Regulator

4. Tuning the Engine

After installation, proper tuning is essential to maximize performance and reliability. A professional tuner can adjust the ECU settings to optimize fuel maps and ignition timing. Key aspects include:

  • Dyno Tuning Session
  • Monitoring Air-Fuel Ratios
  • Adjusting Boost Levels

Additional Performance Upgrades

To ensure your RX-7 can handle the increased power, consider additional performance upgrades:

  • Upgraded Exhaust System
  • High-Performance Radiator
  • Enhanced Suspension Components
  • Performance Tires

Conclusion

Achieving 650+ horsepower in your RX-7 LS swap using a Magnuson supercharger is an exciting project that can lead to incredible performance on the track or street. By carefully selecting your components, installing the supercharger correctly, and tuning your engine, you can create a powerful and reliable vehicle that stands out. Always remember to prioritize safety and reliability when pushing your car to its limits.