1968 Buick 430 Engine Specs
Engine Configuration
The 1968 Buick 430 engine is a V8 engine that was produced by Buick from 1967 to 1969. It belongs to the Buick V8 engine family, which was known for its power and reliability. The engine has a displacement of 430 cubic inches, or 7.0 liters, and is commonly referred to as the “Buick 7.0L V8.”
Engine Oil Specs
To ensure optimal performance and longevity of the 1968 Buick 430 engine, it is crucial to use the right type of engine oil. The recommended engine oil for this engine is a high-quality, multi-viscosity oil with a viscosity rating of 10W-30. It is important to choose an oil that meets the API (American Petroleum Institute) service classification of SF or higher.
Service Intervals
Regular maintenance is essential to keep the 1968 Buick 430 engine running smoothly. Here are the recommended service intervals for various engine components:
1. Engine Oil and Filter Change: It is recommended to change the engine oil and filter every 3,000 to 5,000 miles or every 3 to 6 months, whichever comes first. Regular oil changes help remove contaminants and ensure proper lubrication.
2. Spark Plug Replacement: The spark plugs should be replaced every 20,000 to 30,000 miles or every 2 to 3 years. Worn-out spark plugs can lead to misfires and decreased engine performance.
3. Air Filter Replacement: The air filter should be replaced every 12,000 to 15,000 miles or once a year. A clean air filter ensures proper airflow to the engine, improving fuel efficiency and performance.
4. Fuel Filter Replacement: The fuel filter should be replaced every 30,000 miles or every 2 years. A clogged fuel filter can restrict fuel flow and cause engine performance issues.
5. Coolant Flush and Replacement: It is recommended to flush and replace the coolant every 2 years or 30,000 miles, whichever comes first. This helps prevent overheating and protects the engine from corrosion.
6. Timing Belt Replacement: The timing belt should be replaced every 60,000 to 100,000 miles or as recommended by the manufacturer. A worn or broken timing belt can cause serious engine damage.
Detailed Engine Specifications
| Engine Type | V8 |
|---|---|
| Displacement | 430 cubic inches (7.0 liters) |
| Compression Ratio | 10.25:1 |
| Bore and Stroke | 4.1875 inches x 3.90 inches |
| Fuel System | 4-barrel carburetor |
| Horsepower | 360 hp |
| Torque | 475 lb-ft |
| Valvetrain | Overhead valve (OHV) |
| Ignition System | Points and condenser |
The 1968 Buick 430 engine is a powerful V8 engine that offers impressive performance. With its large displacement and high torque output, it provides ample power for both cruising and acceleration. The engine’s 10.25:1 compression ratio ensures efficient combustion and optimal power delivery.
Equipped with a 4-barrel carburetor, the Buick 430 engine delivers a smooth and responsive throttle response. The overhead valve (OHV) valvetrain design allows for efficient airflow and enhances the engine’s overall performance.
With 360 horsepower and 475 lb-ft of torque, the 1968 Buick 430 engine provides plenty of power for a thrilling driving experience. Whether you’re cruising down the highway or tackling challenging terrains, this engine is sure to deliver the performance you desire.
In conclusion, the 1968 Buick 430 engine is a remarkable V8 engine known for its power and reliability. By following the recommended service intervals and using the appropriate engine oil, you can ensure that this engine continues to perform at its best for years to come.
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