455 Buick Engine Specs

The 455 Buick engine is a legendary powerplant that has left a lasting impression on car enthusiasts around the world. Known for its impressive performance and reliability, this engine has become a favorite among muscle car enthusiasts. In this article, we will delve into the specifications of the 455 Buick engine, its configuration, and the engine oil specs and service intervals.

Engine Configuration

The 455 Buick engine is a V8 engine that was produced by Buick from 1970 to 1976. It features a displacement of 455 cubic inches, hence the name. This engine is part of the Buick V8 engine family, which is known for its durability and smooth operation.

The 455 Buick engine has a bore and stroke of 4.3125 inches by 3.900 inches, resulting in a total displacement of 455 cubic inches or 7.5 liters. It has a compression ratio of 8.5:1, which allows it to produce ample power and torque.

Detailed Engine Specifications

To provide a comprehensive overview of the 455 Buick engine, let’s take a closer look at its specifications:

Specification Value
Displacement 455 cubic inches (7.5 liters)
Configuration V8
Bore and Stroke 4.3125 inches by 3.900 inches
Compression Ratio 8.5:1

Engine Oil Specs & Service Intervals

Proper engine oil is crucial for the smooth operation and longevity of any engine, including the 455 Buick engine. Here are the recommended engine oil specifications and service intervals for the 455 Buick engine:

– Engine Oil: It is recommended to use a high-quality engine oil with a viscosity of 10W-30 or 10W-40. This ensures proper lubrication and protection for the engine components.

– Oil Filter: When performing an oil change, it is essential to replace the oil filter as well. Choose a filter that is compatible with the 455 Buick engine to ensure optimal filtration and protection.

– Service Intervals: It is generally recommended to change the engine oil and filter every 3,000 to 5,000 miles or every three to six months, whichever comes first. However, it is always a good idea to consult the owner’s manual or follow the manufacturer’s recommendations for specific service intervals.

Regular oil changes and proper maintenance are vital to keep the 455 Buick engine running smoothly and to prevent premature wear and damage to its components. By adhering to the recommended service intervals and using the correct engine oil, you can ensure that your 455 Buick engine performs at its best for years to come.

In conclusion, the 455 Buick engine is a powerful V8 engine that has earned its place in automotive history. With its impressive specifications, including a displacement of 455 cubic inches and a compression ratio of 8.5:1, this engine delivers both power and reliability. By following the recommended engine oil specifications and service intervals, you can keep your 455 Buick engine in top shape and enjoy its performance for many miles to come.

Categories: 7.5Buick

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