Table of Contents
The Dodge Challenger 6.2 Hellcat is a beast of a car, known for its raw power and aggressive styling. With the right modifications, you can push this muscle car to over 750 horsepower. This guide covers the essential forced induction upgrades and supporting modifications needed to achieve this power level.
Understanding the Hellcat Engine
The heart of the Hellcat is its supercharged 6.2-liter HEMI V8 engine. It produces an astounding 707 horsepower and 650 lb-ft of torque from the factory. However, with modifications and tuning, this engine can handle much more power.
Forced Induction Upgrades
Supercharger Upgrade
To exceed 750 horsepower, consider upgrading the stock supercharger. Several aftermarket options are available:
- Whipple Supercharger: Known for its efficiency and power gains.
- Magnuson Supercharger: Offers great low-end torque and high-end power.
- Ken Bell Supercharger: Provides impressive horsepower increases with a unique design.
Intercooler System
Upgrading the intercooler is crucial for maintaining optimal temperatures and performance. A larger, more efficient intercooler will help reduce intake temperatures and improve power output.
Supporting Mods for Reliability
Fuel System Upgrades
To support higher horsepower, the fuel system must be upgraded. Consider the following:
- High-Flow Fuel Injectors: Necessary to deliver more fuel to the engine.
- Upgraded Fuel Pump: Ensures adequate fuel delivery under high demand.
- Fuel Lines: Consider larger diameter lines to reduce restrictions.
Exhaust System
A high-performance exhaust system can significantly improve airflow and reduce back pressure. Look for:
- Long-Tube Headers: Enhance exhaust flow and increase horsepower.
- High-Performance Cat-Back Exhaust: Improves sound and performance.
- High-Flow Catalytic Converters: Reduce restrictions while remaining compliant.
Cooling System Enhancements
With increased power comes the need for better cooling. Upgrades to consider include:
- Upgraded Radiator: A larger radiator can help keep engine temperatures down.
- Oil Cooler: An oil cooler helps maintain optimal oil temperatures during high-performance driving.
- Thermostat: A lower thermostat can help keep engine temperatures in check.
Tuning for Performance
After installing forced induction and supporting mods, a proper tune is essential. A custom tune will optimize the engine’s performance and ensure all components work harmoniously. Use a reputable tuner who specializes in high-performance vehicles.
Conclusion
Building a 750+ horsepower Dodge Challenger 6.2 Hellcat is an exciting journey that requires careful planning and execution. By upgrading the supercharger, fuel system, exhaust, and cooling, along with a proper tune, you can unleash the true potential of this iconic muscle car.