Table of Contents
The .4 HEMI engine has gained popularity among performance enthusiasts for its power potential and versatility. In this article, we will explore the power levels achievable with stock and upgraded builds using the ATI ProCharger supercharger. Understanding these power levels can help you make informed decisions about modifications and performance upgrades for your vehicle.
Understanding the .4 HEMI Engine
The .4 HEMI engine, part of Chrysler’s HEMI family, features a unique design that enhances performance. It is known for its hemispherical combustion chambers, which allow for better airflow and combustion efficiency. This engine is commonly found in various Dodge and Chrysler models, making it a popular choice for modifications.
Stock Power Levels of the .4 HEMI
In its stock form, the .4 HEMI engine produces a respectable amount of horsepower and torque. The following are the typical power levels for a stock .4 HEMI:
- Horsepower: Approximately 360-400 hp
- Torque: Approximately 400-420 lb-ft
These figures can vary depending on the specific model and year of the vehicle. Stock engines are designed for reliability and efficiency, making them suitable for daily driving.
Upgraded Builds with ATI ProCharger Supercharger
Adding an ATI ProCharger supercharger to the .4 HEMI can significantly increase its power output. The supercharger forces more air into the engine, allowing for a more efficient combustion process. Here’s what you can expect from upgraded builds:
- Horsepower: Typically ranges from 500 to 800 hp
- Torque: Can exceed 600 lb-ft
The exact power levels will depend on various factors, including the specific ProCharger model, supporting modifications, and tuning. Upgraded builds often include enhancements such as improved fuel systems, exhaust upgrades, and stronger internal components to handle the increased power.
Benefits of Upgrading with ATI ProCharger
Upgrading your .4 HEMI with an ATI ProCharger offers several benefits:
- Increased Power: Substantial gains in horsepower and torque for improved acceleration and performance.
- Better Throttle Response: Enhanced airflow leads to quicker throttle response, making driving more enjoyable.
- Customizable Options: Various ProCharger models and tuning options allow for tailored performance based on your needs.
Considerations Before Upgrading
Before proceeding with an upgrade, it’s essential to consider the following:
- Budget: Upgrading with a supercharger can be a significant investment. Factor in the cost of parts and labor.
- Supporting Mods: Additional modifications may be necessary to support the increased power, including fuel injectors, fuel pumps, and exhaust systems.
- Tuning: Proper tuning is crucial to ensure the engine runs efficiently and reliably with the new supercharger.
Conclusion
The .4 HEMI engine offers a solid foundation for performance upgrades, and the ATI ProCharger supercharger can take its power levels to new heights. Whether you choose to stick with a stock setup or go for an upgraded build, understanding the potential of your engine will help you make the best choices for your performance goals.