Dodge 5.7 HEMI Engine Specifications
The Dodge 5.7 HEMI engine is a well-known powertrain option in various Dodge and Chrysler vehicles. Renowned for its performance and reliability, this engine has garnered a loyal following among automotive enthusiasts. Below are the detailed specifications of the 5.7 HEMI engine.
| Specification | Details |
|---|---|
| Engine Type | V8, HEMI |
| Displacement | 5.7 liters (345 cubic inches) |
| Horsepower | 360 hp @ 5,300 RPM |
| Torque | 390 lb-ft @ 4,250 RPM |
| Fuel System | Multi-Point Fuel Injection |
| Compression Ratio | 10.5:1 |
| Valvetrain | OHV, 16 valves |
| Bore x Stroke | 3.92 in x 3.58 in |
| Fuel Type | Regular unleaded (87 octane) |
| Engine Weight | Approximately 450 lbs |
Engine Configuration
The 5.7 HEMI engine features a unique design that contributes to its performance characteristics. Below are key aspects of its engine configuration:
V8 Configuration
– The 5.7 HEMI is a V8 engine, which means it has eight cylinders arranged in a V shape.
– This configuration allows for a balance between power and smooth operation.
HEMI Design
– The term “HEMI” refers to the hemispherical shape of the combustion chamber, which enhances airflow and combustion efficiency.
– This design allows for larger valves and improved performance at higher RPMs.
Variable Valve Timing (VVT)
– The engine is equipped with VVT technology, which optimizes valve timing for better performance and fuel efficiency across various driving conditions.
Fuel Efficiency
– The 5.7 HEMI engine is designed to provide a balance between power and fuel economy, making it suitable for both performance and everyday driving.
Engine Oil Specifications
Proper maintenance of the engine oil is crucial for the longevity and performance of the 5.7 HEMI engine. Below are the recommended oil specifications:
| Specification | Details |
|---|---|
| Oil Type | Synthetic 5W-20 |
| Oil Capacity (with filter) | 7 quarts |
| Oil Filter | Chrysler part number 5038049AA or equivalent |
| Oil Change Interval | Every 7,500 miles or 6 months, whichever comes first |
Service Intervals
Regular maintenance is essential to keep the 5.7 HEMI engine running smoothly. Below are the recommended service intervals:
Oil Change
– Change engine oil and filter every 7,500 miles or 6 months.
Air Filter Replacement
– Inspect the air filter every 15,000 miles and replace as necessary.
Fuel Filter Replacement
– The fuel filter is typically replaced every 30,000 miles.
Spark Plug Replacement
– Replace spark plugs every 30,000 to 100,000 miles, depending on driving conditions and usage.
Coolant Flush
– Perform a coolant flush every 30,000 miles or as needed based on the vehicle’s cooling system performance.
Transmission Fluid Change
– Change the transmission fluid every 30,000 to 60,000 miles for optimal performance.
Conclusion
The Dodge 5.7 HEMI engine is a robust powertrain that combines performance with reliability. Understanding its specifications, engine configuration, oil requirements, and service intervals can help owners maintain their vehicles effectively. Regular maintenance ensures that the engine continues to deliver the power and efficiency that drivers expect from this iconic engine.
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