How Much Power Can You Expect from a Mopar Performance 390 Crate Engine? Costs and Bench Results

The Mopar Performance 390 crate engine is a popular choice among automotive enthusiasts looking to enhance their muscle car’s performance. This engine, known for its power and reliability, is often sought after for restoration projects and performance builds. In this article, we will explore the expected power output, costs, and bench results associated with the Mopar Performance 390 crate engine.

Understanding the Mopar Performance 390 Crate Engine

The Mopar Performance 390 crate engine is designed to deliver impressive horsepower and torque. It is built with high-quality components that ensure durability and performance. This engine is ideal for those who want to experience the thrill of driving a classic muscle car with modern performance capabilities.

Specifications of the Mopar Performance 390 Crate Engine

  • Engine Type: V8
  • Displacement: 390 cubic inches
  • Horsepower: Approximately 400-450 hp
  • Torque: Approximately 400-450 lb-ft
  • Fuel System: Carbureted

These specifications make the Mopar Performance 390 crate engine a formidable option for performance enthusiasts. The engine’s design allows for significant power gains, making it a popular choice for various applications.

Power Output Expectations

When considering a Mopar Performance 390 crate engine, potential buyers often wonder about the power output they can expect. Depending on the specific configuration and components used, the power output can vary significantly.

Bench Results and Performance Testing

Bench testing has shown that the Mopar Performance 390 crate engine can produce anywhere from 400 to 450 horsepower. This range is influenced by factors such as the carburetor size, exhaust system, and ignition timing.

  • Test 1: 400 hp with a Holley 750 carburetor
  • Test 2: 425 hp with a modified exhaust system
  • Test 3: 450 hp with optimized ignition timing

These results highlight the engine’s potential and demonstrate how modifications can lead to increased power output. Enthusiasts are encouraged to experiment with different setups to achieve their desired performance levels.

Cost Considerations

The cost of a Mopar Performance 390 crate engine can vary based on several factors, including the retailer, included components, and any additional modifications. Understanding these costs is essential for budget planning.

  • Base Engine Cost: $6,000 – $8,000
  • Additional Components (carburetor, intake): $1,000 – $2,500
  • Installation Costs: $1,000 – $2,000

Overall, potential buyers should budget between $8,000 and $12,500 to fully install and configure a Mopar Performance 390 crate engine in their vehicle.

Conclusion

The Mopar Performance 390 crate engine offers impressive power and performance potential for muscle car enthusiasts. With expected horsepower ranging from 400 to 450 hp, it provides ample power for a thrilling driving experience. While the costs can be significant, the investment often pays off in terms of performance and driving enjoyment.

For those considering a performance upgrade, the Mopar Performance 390 crate engine is a worthy option that can transform a classic vehicle into a powerful machine.