Can You Put a Hellcat Supercharger on a 6.4? Unleashing the Power of the 6.4 Hemi Engine

Lillian Nelson

Introduction

The automotive world is rife with enthusiasts seeking to extract every ounce of power from their engines. One intriguing question that often arises is whether it's possible to install a Hellcat supercharger on a 6.4-liter Hemi engine. In this article, we delve into the details, explore real-world experiences, and provide insights for those considering this ambitious modification.

The Hellcat Supercharger: A Brief Overview

Before we dive into the nitty-gritty, let's understand what makes the Hellcat supercharger so enticing. The Hellcat, a beastly 6.2-liter V8 engine found in Dodge Challenger and Charger models, boasts a factory-fitted supercharger. This Roots-type blower cranks out an impressive 707 horsepower and 650 lb-ft of torque. It's a force to be reckoned with, propelling these muscle cars to stratospheric speeds.

The 6.4-Liter Hemi Engine

The 6.4-liter Hemi (also known as the 392 cubic inch) is no slouch either. Found in various Dodge and Jeep models, this naturally aspirated V8 churns out 485 horsepower and 475 lb-ft of torque. But what if you crave more power? Can you bolt on a Hellcat supercharger and transform your 6.4 into a fire-breathing monster?

Real-World Experiences

1. The DIY Enthusiast

Some intrepid gearheads have attempted this swap. YouTube channels like "1mopargearhead" and "SRTKHRIS" showcase their journeys. Here's what they've learned:

  • Installation Complexity: Installing a Hellcat supercharger on a 6.4 Hemi can be intimidating. However, with the right installation guide and tools, it's feasible.
  • Horsepower Boost: The Hellcat supercharger delivers a substantial increase in horsepower and torque. Expect a significant bump in performance.
  • Tuning Matters: Having the right tuner is critical. Proper tuning ensures optimal performance and reliability.
  • Cost Considerations: While the supercharger itself may come from a junkyard at a reasonable price, additional costs include custom fitting, tuning, and potential unforeseen issues.

2. The Challenges

  • Mounting Bosses: The Hellcat heads have extra bosses for mounting other components. These bosses may require modifications to accommodate the supercharger.
  • Bypass Control: The Hellcat supercharger features a bypass system (similar to a 4-cylinder throttle body). Controlling this bypass effectively is crucial.
  • Cooling System: You'll need a separate cooling system for the intercoolers. Plumbing this system correctly is essential.

The Cost-Benefit Analysis

  • Cost: The Hellcat supercharger itself can be sourced from a junkyard or purchased separately. Expect to pay around $3,500 to $4,000.
  • Custom Fitting: Custom fitting involves labor costs, and you'll need a professional shop to ensure everything aligns perfectly.
  • Tuning: A proper tune is essential. Budget for a quality tuner.
  • Internals: Upgrading internals (pistons, rods, etc.) is advisable to handle the increased power.

Conclusion

In the end, bolting a Hellcat supercharger onto a 6.4 Hemi is possible, but it's not a straightforward task. It requires expertise, patience, and a willingness to invest time and money. If you're up for the challenge, unleash the beast within your 6.4-liter engine and experience the thrill of Hellcat power.

Remember, this modification isn't for the faint of heart—it's for those who crave raw, unbridled performance. Proceed with caution, consult professionals, and enjoy the symphony of supercharged fury as you tear down the asphalt.

Sources:

  1. Hellcat supercharger on 6.4 392???? – Dodge Charger Forum
  2. 6.4 Hemi With Hellcat Supercharger – quartermileaddiction.com
  3. Will the Hellcat Blower Bolt on to the 392? – Dodge Challenger Forum
  4. 6.4 Hemi Supercharger — Why Do You Need One? – Quarter Mile Addiction
  5. YouTube Videos: [

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