Chevy LS3 Engine Specs

The Chevy LS3 engine is a popular choice among car enthusiasts and performance enthusiasts alike. Known for its power and reliability, the LS3 engine has become a staple in the automotive industry. In this article, we will delve into the specifications of the Chevy LS3 engine, its configuration, engine oil specs, and service intervals.

Engine Configuration

The Chevy LS3 engine is a V8 engine that belongs to the Gen IV Small Block family of engines. It features an aluminum block and cylinder heads, which contribute to its lightweight design. The LS3 engine has a displacement of 6.2 liters (376 cubic inches) and a bore and stroke of 4.06 inches and 3.62 inches, respectively.

One of the standout features of the LS3 engine is its high-flow cylinder heads. These heads are designed to optimize airflow and improve overall engine performance. The LS3 engine also incorporates a high-lift camshaft, which further enhances its power output.

Engine Oil Specs

Proper engine oil is crucial for the longevity and performance of any engine, including the Chevy LS3. The LS3 engine requires a high-quality synthetic oil with a viscosity rating of 5W-30. It is recommended to use oil that meets the GM dexos1™ specification for optimal performance and protection.

When it comes to oil capacity, the LS3 engine can hold approximately 8 quarts (7.6 liters) of oil, including the oil filter. It is important to check the oil level regularly and maintain it within the recommended range to ensure proper lubrication and cooling of the engine components.

Service Intervals

To keep the Chevy LS3 engine running smoothly, regular maintenance is essential. Here are some recommended service intervals for the LS3 engine:

1. Oil Change: It is recommended to change the engine oil and oil filter every 7,500 miles or every 12 months, whichever comes first. Regular oil changes help remove contaminants and maintain optimal lubrication.

2. Spark Plugs: The spark plugs should be replaced every 100,000 miles or as per the manufacturer’s recommendation. Fresh spark plugs ensure efficient combustion and prevent misfires.

3. Air Filter: The air filter should be inspected regularly and replaced if it is dirty or clogged. A clean air filter promotes better airflow and protects the engine from dust and debris.

4. Coolant Flush: The coolant should be flushed and replaced every 5 years or 150,000 miles. This helps prevent overheating and maintains the engine’s operating temperature.

5. Timing Belt: If your LS3 engine is equipped with a timing belt, it is crucial to follow the manufacturer’s recommended replacement interval. Failing to replace the timing belt on time can result in engine damage.

In conclusion, the Chevy LS3 engine is a powerful and reliable V8 engine that offers impressive performance. By following the recommended engine oil specs and service intervals, you can ensure that your LS3 engine continues to deliver optimal power and longevity. Regular maintenance is key to keeping your LS3 engine running smoothly for years to come.

Categories: 6.2Chevrolet

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