1974 Pontiac 455 Engine Specs
Engine Configuration
The 1974 Pontiac 455 engine was a powerful V8 engine that was widely used in Pontiac vehicles during that era. Let’s take a closer look at its specifications and configuration.
The engine had a displacement of 455 cubic inches, which is equivalent to 7.5 liters. It featured a cast-iron block and cylinder heads, providing durability and strength. The engine had a bore and stroke of 4.15 inches by 4.21 inches, respectively.
Engine Oil Specs & Service Intervals
Proper engine maintenance is crucial for the longevity and performance of any vehicle. Let’s delve into the recommended engine oil specifications and service intervals for the 1974 Pontiac 455 engine.
Engine Oil Specifications
To ensure optimal performance and protection for your Pontiac 455 engine, it is important 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.
The 10W-30 viscosity rating indicates that the oil has a low viscosity when cold (10W) to allow easy starting and lubrication during cold weather, while providing sufficient viscosity (30) when the engine reaches operating temperature.
It is also crucial to choose an engine oil that meets the API (American Petroleum Institute) service classification of SF or SG. These classifications ensure that the oil meets the necessary performance requirements for the engine.
Service Intervals
Regular oil changes are essential to keep your engine running smoothly and to prevent premature wear and damage. For the 1974 Pontiac 455 engine, it is recommended to change the engine oil every 3,000 miles or every three months, whichever comes first.
Additionally, it is important to replace the oil filter during each oil change. The oil filter helps remove contaminants and debris from the engine oil, ensuring clean lubrication throughout the engine.
Detailed Engine Specifications
| Engine Specifications | Value |
|---|---|
| Displacement | 455 cubic inches (7.5 liters) |
| Block Material | Cast Iron |
| Cylinder Head Material | Cast Iron |
| Bore | 4.15 inches |
| Stroke | 4.21 inches |
In conclusion, the 1974 Pontiac 455 engine was a robust V8 engine known for its power and performance. By following the recommended engine oil specifications and service intervals, you can ensure that your engine remains in excellent condition for years to come. Regular maintenance and proper care are key to enjoying the full potential of this legendary engine.
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