1974 Buick 455 Engine Specs
Engine Configuration
The 1974 Buick 455 engine was a powerful V8 engine that was part of Buick’s renowned big-block engine family. It featured a displacement of 455 cubic inches (7.5 liters) and was known for its impressive torque and smooth power delivery. Let’s take a closer look at its configuration and specifications.
Engine Specifications
To better understand the capabilities of the 1974 Buick 455 engine, let’s delve into its detailed specifications:
| Specification | Value |
|---|---|
| Engine Type | V8 |
| Displacement | 455 cubic inches (7.5 liters) |
| Compression Ratio | 8.5:1 |
| Valvetrain | OHV (Overhead Valve) |
| Max Power | 250 horsepower |
| Max Torque | 370 lb-ft |
| Fuel System | 4-barrel carburetor |
| Ignition System | Points-type |
| Recommended Fuel | Regular Unleaded |
Engine Oil Specs & Service Intervals
Proper engine maintenance is crucial to keep your 1974 Buick 455 engine running smoothly. Here are the recommended engine oil specifications and service intervals for this classic engine:
Engine Oil Specifications
– Oil Type: SAE 10W-30 or SAE 10W-40 (API Service Classification SF or SG)
– Oil Capacity: Approximately 5 quarts (including filter)
Service Intervals
– Oil Change: Every 3,000 miles or every 3 months, whichever comes first.
– Oil Filter Replacement: Every oil change.
It’s important to note that these service intervals are general recommendations. Depending on your driving conditions and the overall condition of your engine, you may need to adjust the frequency of oil changes and filter replacements accordingly. Regularly checking the oil level and quality is also essential to ensure optimal engine performance.
In conclusion, the 1974 Buick 455 engine was a formidable V8 engine known for its power and reliability. With its impressive specifications and proper maintenance, this engine can continue to deliver a thrilling driving experience for Buick enthusiasts even today.
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