1968 Buick 350 Engine Specs
The 1968 Buick 350 engine was a powerful and reliable V8 engine that was widely used in various Buick models during that era. Known for its smooth performance and durability, the 350 engine played a significant role in establishing Buick’s reputation for producing high-quality vehicles. In this article, we will delve into the engine configuration, engine oil specs, and service intervals for the 1968 Buick 350 engine.
Engine Configuration
The 1968 Buick 350 engine featured a V8 configuration, which means it had eight cylinders arranged in a V-shaped pattern. This design allowed for improved power delivery and overall engine performance. The engine had a displacement of 350 cubic inches, or approximately 5.7 liters, giving it ample power to propel Buick vehicles of that time.
With a bore of 3.80 inches and a stroke of 3.85 inches, the 350 engine had a compression ratio of 10.25:1. This compression ratio contributed to its impressive power output and fuel efficiency. The engine also featured a two-barrel carburetor, which provided a good balance between performance and fuel economy.
Engine Oil Specs
Choosing the right engine oil is crucial for maintaining the performance and longevity of the 1968 Buick 350 engine. Here are the recommended engine oil specifications:
| Specification | Value |
|---|---|
| Engine Oil Type | SAE 10W-30 |
| Oil Capacity (with filter) | 5 quarts |
| Oil Capacity (without filter) | 4.5 quarts |
It is important to use high-quality engine oil that meets the SAE 10W-30 viscosity rating. This ensures proper lubrication and protection for the engine components, especially during start-up when the oil is cold. Regular oil changes are essential to maintain the engine’s performance and prevent premature wear and tear.
Service Intervals
Regular maintenance is vital to keep the 1968 Buick 350 engine running smoothly. Here are the recommended service intervals for various engine components:
| Component | Service Interval |
|---|---|
| Engine Oil | Every 3,000 miles or 3 months |
| Oil Filter | Every oil change |
| Spark Plugs | Every 30,000 miles or 2 years |
| Air Filter | Every 12,000 miles or 1 year |
| Fuel Filter | Every 12,000 miles or 1 year |
Following these service intervals will help ensure optimal engine performance and longevity. Regularly changing the engine oil and filters, along with inspecting and replacing spark plugs, air filters, and fuel filters, will keep the 1968 Buick 350 engine in top shape.
In conclusion, the 1968 Buick 350 engine was a remarkable V8 engine known for its power, reliability, and smooth performance. By understanding its engine configuration, adhering to the recommended engine oil specifications, and following the suggested service intervals, Buick owners can enjoy the full potential of this iconic engine for years to come.
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