1967 Pontiac GTO 400 Engine Specs
The 1967 Pontiac GTO is a legendary muscle car that still captures the hearts of car enthusiasts today. One of the key factors that contributed to its popularity was the powerful 400 cubic inch (6.6-liter) V8 engine. Let’s take a closer look at the engine specifications of this iconic vehicle.
Engine Configuration
The 1967 Pontiac GTO was equipped with a 400 cubic inch V8 engine. This engine featured a cast-iron block and cylinder heads, providing durability and strength. It had a bore of 4.12 inches and a stroke of 3.75 inches, resulting in a total displacement of 400 cubic inches.
The engine utilized a single 4-barrel carburetor, which allowed for efficient fuel delivery to the combustion chambers. This carburetor, combined with the engine’s high compression ratio, contributed to the GTO’s impressive performance.
Engine Oil Specs & Service Intervals
Proper engine oil is crucial for maintaining the performance and longevity of any engine, including the 1967 Pontiac GTO’s 400 V8. Here are the recommended engine oil specifications and service intervals for this classic muscle car.
Engine Oil Specifications:
– Oil Type: SAE 10W-30 or SAE 10W-40
– API Service Classification: SF or SG
It is important to use high-quality engine oil that meets the above specifications to ensure optimal lubrication and protection for the engine components.
Service Intervals:
– Oil Change: Every 3,000 to 5,000 miles or every 3 to 6 months, whichever comes first
– Oil Filter Replacement: Every oil change
Regular oil changes are essential to remove contaminants and maintain the engine’s performance. Additionally, replacing the oil filter during each oil change helps to prevent debris from circulating within the engine.
Detailed Engine Specifications
To provide a comprehensive overview of the 1967 Pontiac GTO’s 400 V8 engine, here are the detailed specifications in a chart format:
| Engine Specifications | Value |
|---|---|
| Engine Type | V8 |
| Displacement | 400 cubic inches (6.6 liters) |
| Block Material | Cast Iron |
| Cylinder Head Material | Cast Iron |
| Bore | 4.12 inches |
| Stroke | 3.75 inches |
| Compression Ratio | 10.75:1 |
| Carburetor | Single 4-barrel |
These specifications highlight the impressive power and performance capabilities of the 1967 Pontiac GTO’s 400 V8 engine. Its robust construction and well-designed components contributed to its reputation as a true muscle car.
In conclusion, the 1967 Pontiac GTO’s 400 V8 engine was a powerhouse that played a significant role in establishing the GTO as an iconic muscle car. Its impressive specifications, including a displacement of 400 cubic inches and a high compression ratio, made it a force to be reckoned with on the road. By following the recommended engine oil specifications and service intervals, owners can ensure that this legendary engine continues to deliver the thrilling performance it is known for.
0 Comments