Dodge 318 Magnum Engine Specifications
The Dodge 318 Magnum engine is a popular V8 engine known for its reliability and performance. It has been a staple in various Dodge and Chrysler vehicles, particularly during the late 20th century. Below is a detailed overview of its specifications.
| Specification | Details |
|---|---|
| Engine Type | V8 |
| Displacement | 318 cubic inches (5.2 liters) |
| Configuration | OHV (Overhead Valve) |
| Fuel System | Multi-Point Fuel Injection |
| Bore x Stroke | 3.91 in x 3.31 in (99.4 mm x 84.2 mm) |
| Compression Ratio | 9.1:1 |
| Horsepower | 230 hp @ 4,400 rpm |
| Torque | 300 lb-ft @ 3,200 rpm |
| Firing Order | 1-8-4-3-6-5-7-2 |
| Weight | Approximately 550 lbs (249 kg) |
Engine Configuration
The Dodge 318 Magnum engine features a robust design that has contributed to its longevity and performance. Below are some key aspects of its configuration:
Block and Head Design
- Cast iron block for durability.
- Aluminum cylinder heads for weight reduction and improved heat dissipation.
- Pushrod-operated overhead valves.
Fuel and Air Management
- Equipped with a multi-point fuel injection system for efficient fuel delivery.
- Features a composite intake manifold for optimized airflow.
- Utilizes a throttle body for precise air control.
Ignition System
- Distributor-based ignition system.
- Equipped with a coil-on-plug setup for improved spark efficiency.
Engine Oil Specifications & Service Intervals
Maintaining the right engine oil and adhering to service intervals is crucial for the longevity and performance of the Dodge 318 Magnum engine. Below are the recommended oil specifications and service intervals.
Engine Oil Specifications
| Specification | Details |
|---|---|
| Oil Type | Synthetic or Conventional |
| Viscosity | SAE 5W-30 |
| API Rating | API SN or higher |
| Oil Capacity | 5 quarts (with filter) |
Service Intervals
- Oil Change Interval: Every 3,000 to 5,000 miles (or every 3 to 6 months, depending on driving conditions).
- Oil Filter Replacement: Every oil change.
- Full Engine Service: Recommended every 30,000 miles.
Conclusion
The Dodge 318 Magnum engine is a well-engineered powerplant that has stood the test of time. Its specifications, configuration, and maintenance requirements make it a reliable choice for enthusiasts and everyday drivers alike. By adhering to the recommended oil specifications and service intervals, owners can ensure their engines continue to perform optimally for years to come.
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