1979 Chevy 454 Engine: Specs, Configuration, and Oil Service

1979 Chevy 454 Engine Specs

Engine Configuration

The 1979 Chevy 454 engine was a powerful V8 engine that was commonly used in various Chevrolet vehicles during that era. Let’s take a closer look at its specifications and features.

– Displacement: The 454 engine had a displacement of 454 cubic inches or 7.4 liters, hence its name. This large displacement allowed for high torque and power output.
– Engine Type: It was a big-block V8 engine, meaning it had a larger physical size and higher displacement compared to small-block engines.
– Fuel System: The 1979 Chevy 454 engine was equipped with a four-barrel carburetor, which provided a balanced fuel-air mixture for optimal performance.
– Compression Ratio: The compression ratio of this engine was 8.2:1. This ratio determines the engine’s efficiency and power output.
– Horsepower and Torque: The 1979 Chevy 454 engine produced around 230 horsepower and 360 lb-ft of torque. These figures may vary slightly depending on the specific vehicle and other factors.

Engine Oil Specs & Service Intervals

Proper maintenance and regular oil changes are crucial for the longevity and performance of any engine, including the 1979 Chevy 454. Here are the recommended engine oil specifications and service intervals for this engine.

– Engine Oil Type: It is recommended to use a high-quality multi-viscosity engine oil with a viscosity grade of 10W-30 or 10W-40. This ensures proper lubrication and protection for the engine components.
– Oil Capacity: The 1979 Chevy 454 engine had an oil capacity of approximately 5 quarts, including the oil filter.
– Oil Filter: When performing an oil change, it is important to replace the oil filter as well. Make sure to use a filter that is compatible with the engine and meets the manufacturer’s specifications.
– Service Intervals: It is generally recommended to change the engine oil and filter every 3,000 to 5,000 miles or every 3 to 6 months, whichever comes first. However, it is always best to consult the vehicle’s owner’s manual for the specific recommended service intervals.

In conclusion, the 1979 Chevy 454 engine was a formidable V8 engine known for its power and torque. With the right maintenance, including regular oil changes using the recommended specifications and adhering to the service intervals, this engine could provide reliable performance for many miles to come.