Ford 400 CID Engine Specs
The Ford 400 CID (cubic inch displacement) engine was a V8 engine produced by Ford Motor Company from 1971 to 1982. It was part of the Ford 385 engine family, which also included the 429 and 460 CID engines. The 400 CID engine was primarily used in Ford trucks and full-size cars during its production years.
Engine Configuration
The Ford 400 CID engine had a displacement of 400 cubic inches, which is equivalent to 6.6 liters. It featured a V8 configuration with a 90-degree angle between the cylinder banks. The engine had a cast iron block and cylinder heads, providing durability and strength.
The 400 CID engine had a bore and stroke of 4.00 inches by 4.00 inches, resulting in a square engine design. This design contributed to a balanced power output and smooth operation. The engine had a compression ratio of 8.0:1, which was relatively low compared to other engines of the time.
It was equipped with a single 2-barrel carburetor, which limited its performance potential compared to engines with multiple carburetors or fuel injection systems. However, the 400 CID engine still offered respectable power and torque for its intended applications.
Engine Oil Specs & Service Intervals
Proper engine oil specifications and regular service intervals are crucial for maintaining the performance and longevity of any engine, including the Ford 400 CID engine. Here are some important details regarding engine oil specs and service intervals for the Ford 400 CID engine:
- Engine Oil Capacity: The Ford 400 CID engine had an oil capacity of approximately 5 quarts, including the oil filter.
- Recommended Oil Type: It is recommended to use a high-quality, multi-viscosity engine oil with a viscosity grade of 10W-30 or 10W-40. This ensures proper lubrication and protection under various operating conditions.
- Oil Filter: Always use a high-quality oil filter that is compatible with the Ford 400 CID engine. The oil filter should be replaced during every oil change to maintain optimal filtration and oil flow.
- Service Intervals: The recommended service interval for oil changes in the Ford 400 CID engine is every 3,000 to 5,000 miles or every 3 to 6 months, whichever comes first. Regular oil changes help remove contaminants and maintain proper lubrication.
It is important to note that these specifications and service intervals are general guidelines. Always refer to the specific vehicle’s owner’s manual or consult with a qualified mechanic for the most accurate and up-to-date information.
Detailed Engine Specifications
| Engine Specifications | Value |
|---|---|
| Engine Type | V8 |
| Displacement | 400 cubic inches (6.6 liters) |
| Configuration | 90-degree V8 |
| Block Material | Cast iron |
| Cylinder Head Material | Cast iron |
| Bore x Stroke | 4.00 inches x 4.00 inches |
| Compression Ratio | 8.0:1 |
| Carburetor | Single 2-barrel |
Overall, the Ford 400 CID engine offered a reliable and durable powerplant for various Ford vehicles. Its V8 configuration and square engine design provided decent power and torque. By following the recommended engine oil specifications and service intervals, owners can ensure the longevity and performance of their Ford 400 CID engines.
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