Can You Put A Hellcat Supercharger On A 5.7 Hemi

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Can You Put a Hellcat Supercharger on a 5.7 Hemi?

As a car enthusiast, there’s nothing more exciting than the thrill of modifying your vehicle to unlock its full potential. If you own a Dodge Challenger or Charger with a 5.7-liter Hemi engine, you might have wondered if it’s possible to upgrade your ride with a Hellcat supercharger. In this article, we’ll delve into the world of Hemi engine upgrades and explore the ins and outs of installing a Hellcat supercharger on your 5.7 Hemi.

The Dodge Hellcat is renowned for its blistering performance, thanks in large part to its potent supercharged 6.2-liter Hemi V8 engine. With over 700 horsepower on tap, the Hellcat is a true force to be reckoned with on the road. Naturally, many 5.7 Hemi owners aspire to achieve similar levels of performance, and the allure of installing a Hellcat supercharger becomes irresistible.

Compatibility and Modifications

Before we dive into the details of the supercharger upgrade, it’s crucial to address the compatibility aspect. While it is possible to install a Hellcat supercharger on a 5.7 Hemi engine, it’s not a straightforward endeavor and requires extensive modifications. The 5.7 Hemi and 6.2 Hemi engines share some similarities, but there are significant differences in their design and architecture.

To accommodate the Hellcat supercharger, you’ll need to make several modifications to your 5.7 Hemi engine. These include:

  • Upgrading the pistons and connecting rods to handle the increased boost pressure
  • Modifying the cylinder heads for improved airflow
  • Installing a new camshaft with more aggressive timing
  • Upgrading the fuel system to provide adequate fuel supply for the supercharged engine
  • Tuning the engine with a custom calibration to optimize performance and reliability

Cost and Complexity

Undertaking a Hellcat supercharger upgrade is not for the faint of heart. It’s a complex project that requires specialized skills, tools, and equipment. The cost of the supercharger alone can range from $7,000 to $10,000, and the additional parts and labor required for the modifications can easily push the total cost beyond $20,000. This is a significant investment, and it’s essential to consider the financial implications before embarking on this project.

The complexity of the installation process also demands careful consideration. Unless you possess extensive mechanical expertise and a fully equipped workshop, it’s highly recommended to entrust this upgrade to a reputable performance shop. They have the experience, knowledge, and resources to ensure the job is done correctly and safely.

Benefits and Drawbacks

If you’re willing to invest the time, effort, and money, installing a Hellcat supercharger on your 5.7 Hemi can unlock a new level of performance. You can expect significant gains in horsepower and torque, resulting in exhilarating acceleration and improved overall driving dynamics. The aggressive sound of the supercharger will also add a thrilling auditory dimension to your driving experience.

However, it’s important to be aware of the potential drawbacks as well. Supercharged engines tend to run hotter, so upgrading your cooling system may be necessary to prevent overheating issues. The increased performance may also put additional stress on your transmission and other drivetrain components, requiring more frequent maintenance and potential upgrades.

Tips and Expert Advice

If you’re determined to pursue the Hellcat supercharger upgrade, here are a few tips and pieces of expert advice to keep in mind:

  • Choose a reputable performance shop: The installation process is complex and requires specialized expertise. Entrusting the job to a reputable shop ensures it’s done correctly and safely.
  • Invest in quality parts: Don’t cut corners on parts. Using high-quality components will ensure reliability and longevity of your upgraded engine.
  • Get a custom tune: A custom tune is essential to optimize performance and ensure the engine runs smoothly and efficiently with the supercharger upgrade.
  • Upgrade your cooling system: Supercharged engines run hotter, so upgrading the cooling system is crucial to prevent overheating issues.
  • Be prepared for increased maintenance costs: Supercharged engines require more frequent maintenance and may put additional stress on your transmission and other drivetrain components.

Frequently Asked Questions

Q: Can I install a Hellcat supercharger on my 5.7 Hemi myself?

A: While it’s possible, it’s not recommended unless you have extensive mechanical expertise and a fully equipped workshop. The installation process is complex and requires specialized skills and tools.

Q: How much horsepower can I expect to gain with a Hellcat supercharger upgrade?

A: The horsepower gains can vary depending on the specific modifications made to your engine. However, you can expect a significant increase, typically in the range of 150-200 horsepower.

Q: Will the supercharger upgrade affect the reliability of my engine?

A: The reliability of your engine will depend on the quality of the parts used and the installation process. If done correctly with high-quality components, the supercharger upgrade can be reliable. However, it’s important to note that supercharged engines tend to run hotter and may require more frequent maintenance.


Installing a Hellcat supercharger on a 5.7 Hemi is a challenging but potentially rewarding project that can transform your car’s performance. The significant investment in time, effort, and money should be carefully considered, but if you’re a passionate enthusiast seeking maximum power and thrill, it can be a worthwhile endeavor. Just remember to prioritize quality parts, expert installation, and proper maintenance to ensure your upgraded engine’s reliability and longevity.

Are you intrigued by the possibilities of upgrading your 5.7 Hemi with a Hellcat supercharger? Let us know in the comments below if you have any questions or insights to share.

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