1973 Chevy 350 Engine: Specs, Configuration, and Service Intervals

1973 Chevy 350 Engine Specs

The 1973 Chevy 350 engine is a classic powerhouse that has stood the test of time. Known for its durability and performance, this engine has become a favorite among car enthusiasts and collectors. In this article, we will dive into the engine configuration, engine oil specs, and service intervals of the 1973 Chevy 350 engine.

Engine Configuration

The 1973 Chevy 350 engine features a V8 configuration, meaning it has eight cylinders arranged in a V shape. This configuration provides excellent power and torque, making it ideal for a wide range of applications. The engine has a displacement of 5.7 liters, which refers to the total volume of all the cylinders combined.

With a bore of 4.00 inches and a stroke of 3.48 inches, the 1973 Chevy 350 engine delivers a balanced combination of power and efficiency. It features a cast-iron block and cylinder heads, ensuring durability and reliability. The engine is equipped with a two-barrel carburetor, providing smooth and consistent fuel delivery.

Engine Oil Specs

Choosing the right engine oil is crucial for maintaining the performance and longevity of the 1973 Chevy 350 engine. The engine requires a high-quality motor oil that meets the following specifications:

• Viscosity: The recommended viscosity for the 1973 Chevy 350 engine is 10W-30. This means the oil has a viscosity of 10 in cold temperatures and 30 in normal operating temperatures. The viscosity rating ensures proper lubrication in various weather conditions.
• API Certification: The engine oil should meet the API (American Petroleum Institute) certification of SF or higher. This certification ensures that the oil meets the necessary quality standards for protecting the engine.
• Oil Capacity: The 1973 Chevy 350 engine has an oil capacity of approximately 5 quarts, including the oil filter. It is important to check the oil level regularly and top it up as needed.

Service Intervals

Regular maintenance is essential to keep the 1973 Chevy 350 engine running smoothly. Here are the recommended service intervals for this engine:

• Oil Change: It is recommended to change the engine oil and oil filter every 3,000 to 5,000 miles or every three to six months, whichever comes first. Regular oil changes help remove contaminants and ensure proper lubrication.
• Spark Plugs: The spark plugs should be replaced every 30,000 miles or as specified by the manufacturer. This helps maintain optimal combustion and fuel efficiency.
• Air Filter: The air filter should be inspected regularly and replaced if dirty or clogged. A clean air filter ensures proper airflow to the engine, improving performance and fuel efficiency.
• Timing Belt: The timing belt should be inspected and replaced if necessary. The specific interval for timing belt replacement may vary, so it is important to consult the manufacturer’s recommendations.

By following these service intervals and using the recommended engine oil, you can ensure that your 1973 Chevy 350 engine continues to perform at its best. Regular maintenance will help prolong its lifespan and keep it running smoothly for years to come.

Regular maintenance is key to keeping your 1973 Chevy 350 engine running smoothly. By following the recommended service intervals and using the right engine oil, you can enjoy the power and performance of this classic engine for years to come.