Table of Contents
The Dodge Hellcat has become synonymous with power and performance in the automotive world. With its supercharged V8 engine, enthusiasts are always looking for ways to unlock even more horsepower. One popular upgrade among Hellcat owners is the pulley upgrade, which can lead to significant power gains. In this article, we will explore the real-world results of these upgrades, highlighting the potential for 50-80 horsepower increases on the dyno.
Understanding Pulley Upgrades
Pulley upgrades involve replacing the stock supercharger pulley with a smaller one. This change increases the speed of the supercharger, allowing it to produce more boost pressure. More boost translates to more air and fuel entering the engine, leading to increased horsepower. However, it’s essential to pair these upgrades with proper tuning to maximize the gains and ensure engine safety.
Factors Influencing Power Gains
- Pulley Size: The size of the new pulley directly affects boost levels.
- Tuning: Proper tuning is crucial to optimize the engine for the new boost levels.
- Supporting Mods: Additional modifications like exhaust systems and cold air intakes can enhance power gains.
- Fuel Quality: Higher octane fuel can support more aggressive tuning and power levels.
Real-World Dyno Results
Many Hellcat owners have reported impressive results after upgrading their pulleys. Here are some documented dyno results showcasing the horsepower gains:
- Example 1: A 2016 Dodge Charger Hellcat with a 2.75” pulley upgrade saw gains of 65 horsepower, reaching a total of 750 hp.
- Example 2: A 2018 Dodge Challenger Hellcat upgraded with a 2.85” pulley achieved a 75 horsepower increase, bringing it to 735 hp.
- Example 3: A 2020 Dodge Durango Hellcat with a 2.65” pulley recorded an increase of 80 horsepower, resulting in 720 hp on the dyno.
- Example 4: Another 2017 Charger with a 3.0” pulley upgrade reported a gain of 50 horsepower, totaling 700 hp.
Benefits of Pulley Upgrades
Upgrading the supercharger pulley comes with several benefits beyond just horsepower gains:
- Improved Throttle Response: A smaller pulley can enhance throttle response, making the car feel more lively.
- Enhanced Driving Experience: Increased power can lead to a more exhilarating driving experience.
- Potential for Further Modifications: With more power available, owners may feel encouraged to pursue additional performance upgrades.
Considerations Before Upgrading
While pulley upgrades can yield impressive results, there are several considerations to keep in mind:
- Engine Longevity: Increasing boost can put additional stress on engine components.
- Warranty Concerns: Upgrading the pulley may void factory warranties.
- Heat Management: More horsepower can lead to increased heat; proper cooling solutions are essential.
- Insurance Implications: Higher performance may affect insurance premiums.
Conclusion
In conclusion, upgrading the supercharger pulley on a Dodge Hellcat can lead to impressive horsepower gains ranging from 50 to 80 hp, as evidenced by numerous dyno results. While the benefits are clear, potential buyers should carefully consider the implications of such upgrades, including engine stress and warranty concerns. With proper tuning and supporting modifications, the Hellcat can unleash even more of its legendary performance.