Dodge 273 Engine Specifications
The Dodge 273 engine is a small-block V8 engine that was produced by Chrysler from 1964 to 1967. It is known for its lightweight design and efficient performance, making it a popular choice for various Dodge and Plymouth vehicles during its production years. Below are the detailed specifications of the Dodge 273 engine.
| Specification | Details |
|---|---|
| Engine Type | V8 |
| Displacement | 273 cubic inches (4.5 liters) |
| Bore x Stroke | 3.63 in x 3.58 in (92.2 mm x 90.9 mm) |
| Compression Ratio | 8.5:1 (standard), 10.5:1 (high-performance) |
| Horsepower | 180 hp (standard), 235 hp (high-performance) |
| Torque | 250 lb-ft (standard), 295 lb-ft (high-performance) |
| Fuel System | Single 2-barrel carburetor (standard), 4-barrel carburetor (high-performance) |
| Ignition System | Conventional ignition |
| Cooling System | Water-cooled |
| Weight | Approximately 450 lbs (204 kg) |
Engine Configuration
The Dodge 273 engine features a classic V8 configuration, which is characterized by its two banks of cylinders arranged in a V shape. This design allows for a compact engine size while providing a good balance of power and efficiency. The engine is built with a cast iron block and aluminum cylinder heads, contributing to its lightweight nature.
Key Features of the Engine Configuration
- V8 configuration with 8 cylinders.
- Lightweight cast iron block for improved performance.
- Aluminum cylinder heads for better heat dissipation.
- Single overhead camshaft (SOHC) design.
- Hydraulic lifters for reduced maintenance.
The engine’s design also includes a forged steel crankshaft and connecting rods, which enhance durability and performance. The Dodge 273 was available in both standard and high-performance variants, catering to different driving needs and preferences.
Engine Oil Specifications
Proper lubrication is crucial for the longevity and performance of the Dodge 273 engine. The following specifications outline the recommended engine oil types and service intervals.
Recommended Engine Oil
- Viscosity: SAE 10W-30 or SAE 10W-40 for general conditions.
- API Rating: API SN or higher for modern engines.
- Type: Conventional or synthetic oil can be used.
Oil Capacity
- Oil capacity with filter: Approximately 5 quarts (4.7 liters).
Service Intervals
Regular maintenance is essential for keeping the Dodge 273 engine running smoothly. Below are the recommended service intervals for oil changes and other maintenance tasks.
| Service Task | Interval |
|---|---|
| Oil Change (Conventional Oil) | Every 3,000 miles (4,800 km) or 3 months |
| Oil Change (Synthetic Oil) | Every 5,000 miles (8,000 km) or 6 months |
| Oil Filter Replacement | Every oil change |
| Coolant Flush | Every 2 years or 24,000 miles (38,000 km) |
| Spark Plug Replacement | Every 30,000 miles (48,000 km) |
| Air Filter Replacement | Every 15,000 miles (24,000 km) |
Additional Maintenance Tips
- Check oil levels regularly and top off as needed.
- Inspect the oil for signs of contamination or sludge.
- Monitor engine performance for any unusual noises or vibrations.
- Keep the cooling system in good condition to prevent overheating.
- Use high-quality parts for replacements to ensure optimal performance.
Conclusion
The Dodge 273 engine is a well-engineered powerplant that combines performance with reliability. Understanding its specifications, engine configuration, oil requirements, and maintenance intervals is crucial for any owner or enthusiast. By adhering to the recommended service intervals and using the right engine oil, you can ensure that your Dodge 273 engine remains in excellent condition for years to come.
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