Chevy 396 425 HP Engine Specs
Engine Configuration
The Chevy 396 425 HP engine is a powerful and high-performance V8 engine that was produced by Chevrolet from 1965 to 1969. It belongs to the Chevrolet Mark IV big-block engine family and is known for its impressive horsepower and torque output. Let’s dive into the engine configuration of this legendary powerplant.
| Specification | Value |
|---|---|
| Engine Type | V8 |
| Displacement | 396 cubic inches (6.5 liters) |
| Compression Ratio | 11.0:1 |
| Valvetrain | OHV (Overhead Valve) |
| Fuel Delivery | Four-barrel carburetor |
| Horsepower | 425 HP @ 5600 RPM |
| Torque | 415 lb-ft @ 3600 RPM |
The Chevy 396 425 HP engine features a robust V8 configuration, meaning it has eight cylinders arranged in a V-shape. This design allows for smooth power delivery and excellent performance. With a displacement of 396 cubic inches (6.5 liters), this engine is capable of generating impressive power and torque figures.
The engine boasts a high compression ratio of 11.0:1, which contributes to its exceptional performance. A higher compression ratio allows for better combustion efficiency, resulting in increased power output. The valvetrain of the Chevy 396 425 HP engine is of the OHV type, meaning the valves are located in the engine block, above the combustion chambers.
Fuel delivery is handled by a four-barrel carburetor, which ensures a steady and precise supply of fuel to the engine. This setup optimizes fuel-air mixture and enhances engine performance. The Chevy 396 425 HP engine is a true powerhouse, delivering an impressive 425 horsepower at 5600 RPM and 415 lb-ft of torque at 3600 RPM.
Engine Oil Specs & Service Intervals
Proper engine lubrication is crucial for maintaining the performance and longevity of any engine, including the Chevy 396 425 HP. Here are the recommended engine oil specifications and service intervals for this iconic engine.
| Specification | Value |
|---|---|
| Engine Oil Type | SAE 10W-30 |
| Oil Capacity (with filter) | 5 quarts |
| Oil Capacity (without filter) | 4.5 quarts |
| Oil Filter Type | AC Delco PF25 or equivalent |
| Service Interval | Every 3,000 miles or 3 months |
The Chevy 396 425 HP engine requires engine oil with a viscosity grade of SAE 10W-30. This oil grade provides optimal lubrication across a wide range of operating temperatures, ensuring proper protection for the engine components. It is important to use high-quality engine oil that meets the manufacturer’s specifications.
When changing the engine oil, it is recommended to replace the oil filter as well. The Chevy 396 425 HP engine utilizes the AC Delco PF25 oil filter or an equivalent. The oil capacity of this engine is 5 quarts with the filter, and 4.5 quarts without the filter. Always refer to the owner’s manual or consult a professional for the exact specifications and procedures.
To maintain the engine’s performance and reliability, regular oil changes are essential. It is generally advised to change the engine oil and filter every 3,000 miles or 3 months, whichever comes first. However, driving conditions and personal preferences may vary, so it is important to monitor the oil’s condition and consult the manufacturer’s recommendations.
In conclusion, the Chevy 396 425 HP engine is a remarkable V8 powerplant that offers impressive performance and reliability. With its powerful configuration and carefully maintained engine oil, this engine is capable of delivering exhilarating driving experiences for years to come.
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