5.7 HEMI Engine for Sale: Specifications, Features, and FAQs

5.7 hemi engine for sale, The 5.7 HEMI engine has become an iconic engine known for its robust power, reliability, and distinctive performance. It is most commonly found in Chrysler, Dodge, and Jeep vehicles and has earned a reputation for delivering high horsepower and torque, making it a favorite among enthusiasts and drivers who demand performance. Whether you’re restoring a classic car or upgrading your vehicle, buying a 5.7 HEMI engine for sale can be an excellent investment.

This article will cover the specifications, features, and frequently asked questions (FAQs) about the 5.7 HEMI engine to help you make an informed decision when purchasing one.

Specifications of the 5.7 HEMI Engine

The 5.7 HEMI is a 90-degree V8 engine that uses hemispherical combustion chambers, a design that enhances performance by allowing a more efficient burn of the air-fuel mixture. The engine’s specs have been refined over the years to deliver exceptional power, efficiency, and durability.

Key Specifications:

Displacement: 5.7 liters (345 cubic inches)
Engine Type: V8
Configuration: 90-degree V8
Valves: 16 valves (4 per cylinder)
Fuel Type: Gasoline
Fuel Delivery: Multi-point fuel injection (MPI)
Horsepower: 345-395 horsepower (varies by model)
Torque: 370-410 lb-ft (varies by model)
Compression Ratio: 10.5:1
Bore x Stroke: 99.5 mm x 90.9 mm
Firing Order: 1-8-4-3-6-5-7-2
Cooling System: Liquid-cooled
Fuel Economy: Varies by model, typically 14-20 MPG (miles per gallon)
Oil Capacity: 6 quarts (varies with application)
Warranty: Varies by seller (typically 12 months or 12,000 miles)

Performance Features:

HEMI Technology: The engine utilizes hemispherical combustion chambers, a design that improves airflow and combustion efficiency, contributing to increased power and reduced engine knocking.
MDS (Multi-Displacement System): In some models, the 5.7 HEMI is equipped with MDS technology, which deactivates four cylinders at cruising speeds to improve fuel efficiency.
Variable Valve Timing (VVT): Some 5.7 HEMI engines feature VVT, optimizing performance and fuel efficiency by adjusting the timing of the intake and exhaust valves in real-time.
Cold Air Intake (CAI): Some configurations include a cold air intake system to enhance engine breathing, improving horsepower and torque output.

Where to Buy a 5.7 HEMI Engine for Sale

5.7 HEMI engines are available through various sources, including:

Authorized Dealerships: Many Chrysler, Dodge, and Jeep dealerships offer new or refurbished 5.7 HEMI engines, often backed by a warranty.
Online Marketplaces: Websites like eBay, Craigslist, and specialized engine retailers offer a wide range of used and rebuilt 5.7 HEMI engines for sale.
Salvage Yards: For budget-conscious buyers, salvage yards can provide used 5.7 HEMI engines from vehicles that are being parted out.
Performance Shops: High-performance aftermarket shops sell rebuilt or upgraded 5.7 HEMI engines designed for enhanced power and performance.
Private Sellers: Enthusiasts often sell their own engines, typically when upgrading to a higher-performance model or swapping engines in their vehicles.

Frequently Asked Questions (FAQs)

1. What vehicles use the 5.7 HEMI engine?

The 5.7 HEMI engine is commonly found in a variety of Chrysler, Dodge, and Jeep models, including:

Dodge Charger
Dodge Challenger
Dodge Ram 1500
Jeep Grand Cherokee
Chrysler 300

Additionally, the engine can be swapped into older muscle cars, hot rods, or trucks for performance upgrades.

2. How much does a 5.7 HEMI engine cost?

The price of a 5.7 HEMI engine can vary depending on whether it is new, used, or refurbished. On average:

New 5.7 HEMI engine: $3,500 – $5,000
Used 5.7 HEMI engine: $1,500 – $3,000
Refurbished or Rebuilt 5.7 HEMI engine: $2,500 – $4,000 Prices may also vary depending on the seller, condition, and whether the engine includes accessories like alternators, starters, or fuel injectors.

3. Can I install a 5.7 HEMI engine in my vehicle if it didn’t originally come with one?

Yes, it is possible to install a 5.7 HEMI engine in a vehicle that didn’t originally come with one. However, this is a complex process that may require additional parts and modifications. Key considerations include:

Transmission compatibility
Wiring harness adjustments
Exhaust system modifications
Engine mounts and clearance
ECU (engine control unit) tuning

It’s recommended to consult with an experienced mechanic or performance shop before proceeding with an engine swap.

4. How long do 5.7 HEMI engines typically last?

With proper maintenance, a 5.7 HEMI engine can last well over 200,000 miles. Regular oil changes, keeping the cooling system in check, and addressing any performance issues promptly can extend the life of the engine.

5. What is the difference between a 5.7 HEMI and a 6.4 HEMI?

The 5.7 HEMI is a smaller V8 engine with a displacement of 5.7 liters, while the 6.4 HEMI has a larger displacement of 6.4 liters. The 6.4 HEMI generally produces more horsepower and torque compared to the 5.7 HEMI, making it better suited for high-performance applications. However, the 5.7 HEMI still offers excellent performance with a focus on fuel efficiency.

6. Is the 5.7 HEMI engine reliable?

Yes, the 5.7 HEMI engine is generally regarded as a reliable engine. Chrysler, Dodge, and Jeep vehicles equipped with this engine have a reputation for durability, especially when properly maintained. As with any engine, timely maintenance and addressing issues before they become severe are key to maintaining reliability.

7. What modifications can I make to my 5.7 HEMI engine for more performance?

To boost the performance of your 5.7 HEMI engine, you can consider the following modifications:

Cold Air Intake (CAI): Improves airflow, boosting horsepower and throttle response.
Performance Exhaust System: Enhances exhaust flow, increasing power and sound.
Supercharger or Turbocharger: Can significantly increase horsepower and torque.
Aftermarket Tuning/ECU Flashing: Optimizes the engine’s performance, often increasing horsepower and fuel efficiency.
Upgraded Camshaft: Improves engine performance, especially in the higher RPM range.

Conclusion

The 5.7 HEMI engine is a fantastic choice for performance enthusiasts looking to add power and reliability to their vehicles. Whether you’re looking for a stock replacement engine or considering upgrades, there’s no shortage of 5.7 HEMI engines for sale. When buying a 5.7 HEMI, be sure to research the seller’s reputation, check for warranty options, and assess the engine’s condition to ensure you’re getting a quality product.

By understanding the specifications and key details covered in this guide, you’ll be better equipped to make an informed purchase and enjoy the impressive performance that the 5.7 HEMI engine has to offer!

5.7 hemi engine for sale