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The 426 HEMI engine is an iconic powerhouse known for its performance and racing pedigree. Upgrading this engine with ported heads and a supercharger can significantly enhance its capabilities. However, many enthusiasts wonder about the cost associated with such upgrades. In this article, we will break down the costs involved in a 426 HEMI performance upgrade, including parts, labor, and additional considerations.
Understanding the 426 HEMI Engine
The 426 HEMI engine, originally developed by Chrysler, has a storied history in motorsports. Its unique hemispherical combustion chamber design allows for greater airflow and power output. Before diving into the costs of upgrades, it’s essential to understand the base engine and its capabilities.
Cost of Ported Heads
Ported heads are a crucial upgrade for enhancing airflow and performance in the 426 HEMI engine. The cost of porting heads can vary widely based on the extent of the work and the shop performing the service.
- Basic porting: $800 – $1,200
- Advanced porting with custom modifications: $1,500 – $2,500
When considering ported heads, it’s vital to choose a reputable performance shop with experience in HEMI engines to ensure optimal results.
Supercharger Options and Costs
A supercharger can dramatically increase the horsepower of a 426 HEMI engine. There are several types of superchargers available, each with different costs and benefits.
- Roots Supercharger: $6,000 – $8,000
- Centri-Flow Supercharger: $4,000 – $6,000
- Twin-Screw Supercharger: $7,000 – $10,000
Installation costs for superchargers can also vary, typically ranging from $1,000 to $2,000, depending on the complexity of the installation and additional modifications required.
Additional Components and Upgrades
In addition to ported heads and a supercharger, several other components may need upgrading to support the increased power output:
- Fuel injectors: $400 – $800
- Fuel pump: $300 – $600
- Exhaust system: $1,000 – $2,500
- ECU tuning: $500 – $1,500
These upgrades are essential to ensure that the engine runs efficiently and reliably at higher power levels.
Labor Costs
Labor costs can vary significantly based on location and the shop’s expertise. On average, you can expect to pay:
- Hourly labor rate: $75 – $150
- Total labor for porting and supercharger installation: $2,000 – $4,000
It’s advisable to get quotes from multiple shops to find the best deal while ensuring quality workmanship.
Estimated Total Cost
When combining all the costs of parts, labor, and additional upgrades, the total investment for a 426 HEMI performance upgrade can range from:
- Low-end estimate: $10,000
- High-end estimate: $20,000+
These estimates can vary based on specific choices made regarding parts and labor, as well as any unforeseen expenses that may arise during the upgrade process.
Conclusion
Upgrading a 426 HEMI engine with ported heads and a supercharger is a significant investment that can yield impressive performance gains. Understanding the costs associated with each component and the labor involved can help enthusiasts make informed decisions. Always consider consulting with performance experts to tailor the upgrades to your specific performance goals and budget.