Chevy LS4 Engine Specs
The Chevy LS4 engine is a V8 engine that was produced by General Motors from 2005 to 2009. It is part of the LS family of engines, which are known for their performance and reliability. The LS4 engine was specifically designed for front-wheel drive applications and was used in several Chevrolet models, including the Impala SS and Monte Carlo SS.
Engine Configuration
The LS4 engine features a displacement of 5.3 liters, or 325 cubic inches. It has a bore of 3.78 inches and a stroke of 3.62 inches. The engine has an overhead valve (OHV) design with two valves per cylinder. It also utilizes an aluminum block and cylinder heads, which helps to reduce weight and improve performance.
The LS4 engine is equipped with electronic fuel injection and features a multi-port fuel injection system. It also incorporates advanced technologies such as variable valve timing, which helps to optimize engine performance and fuel efficiency.
Engine Oil Specs & Service Intervals
Proper engine oil is crucial for the performance and longevity of the LS4 engine. It is recommended to use a high-quality synthetic or conventional oil with a viscosity of 5W-30. The oil should meet the API (American Petroleum Institute) service classification of SN or higher.
The LS4 engine has a recommended oil change interval of every 7,500 miles or 12 months, whichever comes first. However, it is always a good idea to consult the owner’s manual for the specific service intervals recommended by Chevrolet for your vehicle.
When performing an oil change on the LS4 engine, it is important to also replace the oil filter. The oil filter helps to remove contaminants from the oil, ensuring that it remains clean and free of debris. It is recommended to use a high-quality oil filter that meets or exceeds the OEM specifications.
During an oil change, it is also a good practice to inspect other components such as the air filter, coolant level, and belts. This allows for early detection of any potential issues and helps to ensure the overall health of the engine.
Detailed Engine Specifications
| Engine Type | V8 |
|---|---|
| Displacement | 5.3 liters (325 cubic inches) |
| Bore | 3.78 inches |
| Stroke | 3.62 inches |
| Valve Configuration | Overhead Valve (OHV) |
| Valves per Cylinder | 2 |
| Block Material | Aluminum |
| Cylinder Head Material | Aluminum |
| Fuel Injection | Electronic Multi-Port Fuel Injection |
| Oil Viscosity | 5W-30 |
| Oil Change Interval | Every 7,500 miles or 12 months |
In conclusion, the Chevy LS4 engine is a powerful and reliable V8 engine that offers impressive performance. With its advanced features such as variable valve timing and electronic fuel injection, it delivers both power and efficiency. By following the recommended oil specifications and service intervals, you can ensure the longevity and optimal performance of your LS4 engine.
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