Cadillac 390 Engine Specs
The Cadillac 390 engine is a legendary powerplant that was produced by Cadillac from 1959 to 1963. It was part of the Cadillac Series 62 and Eldorado models, and it quickly gained a reputation for its impressive performance and reliability. Let’s take a closer look at the specifications of this iconic engine.
Engine Configuration
The Cadillac 390 engine is a V8 engine with a displacement of 6.4 liters (390 cubic inches). It features an overhead valve (OHV) design, which means that the valves are located in the cylinder block and are actuated by pushrods and rocker arms. This configuration allows for efficient airflow and combustion, resulting in improved power and fuel efficiency.
The engine has a bore and stroke of 4.00 x 3.875 inches, giving it a relatively square design. This design contributes to a balanced power delivery and smooth operation. The compression ratio of the Cadillac 390 engine is 10.5:1, which helps optimize power output while maintaining fuel efficiency.
Engine Oil Specs & Service Intervals
Proper engine oil is crucial for the longevity and performance of any engine, including the Cadillac 390. Here are the recommended engine oil specifications and service intervals for this engine:
| Engine Oil Specification | Service Interval |
|---|---|
| SAE 10W-30 or SAE 10W-40 | Every 3,000 miles or 3 months |
The Cadillac 390 engine requires high-quality engine oil that meets the SAE 10W-30 or SAE 10W-40 specifications. These oil viscosities provide optimal lubrication and protection for the engine components, ensuring smooth operation and minimizing wear and tear.
It is recommended to change the engine oil and oil filter every 3,000 miles or 3 months, whichever comes first. Regular oil changes help remove contaminants and maintain the oil’s effectiveness in lubricating the engine. Additionally, it is important to follow the manufacturer’s guidelines for oil filter replacement.
Remember to always consult the owner’s manual or a trusted mechanic for specific recommendations and guidelines regarding engine oil and service intervals for your Cadillac 390 engine.
Detailed Engine Specifications
| Engine Type | V8 |
|---|---|
| Displacement | 6.4 liters (390 cubic inches) |
| Engine Configuration | Overhead Valve (OHV) |
| Bore x Stroke | 4.00 x 3.875 inches |
| Compression Ratio | 10.5:1 |
The Cadillac 390 engine is a true powerhouse with its V8 configuration and 6.4-liter displacement. Its overhead valve design, combined with a square bore and stroke, ensures a balanced power delivery and efficient combustion. With a compression ratio of 10.5:1, this engine offers impressive performance while maintaining fuel efficiency.
Remember to take proper care of your Cadillac 390 engine by using the recommended engine oil and following the recommended service intervals. By doing so, you can enjoy the full potential of this iconic engine for years to come.
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