1971 Pontiac 350 Engine Specs
Engine Configuration
The 1971 Pontiac 350 engine was a V8 engine that was part of the Pontiac V8 engine family. It featured a displacement of 350 cubic inches or 5.7 liters. This engine was commonly used in various Pontiac models during the early 1970s.
Engine Oil Specs
To keep your 1971 Pontiac 350 engine running smoothly, it is important to use the correct engine oil. The recommended engine oil for this engine is a high-quality, multi-viscosity oil with a viscosity rating of 10W-30. This oil provides optimal lubrication and protection for the engine’s components.
Service Intervals
Regular maintenance is crucial to ensure the longevity and performance of your 1971 Pontiac 350 engine. Here are the recommended service intervals for various engine components:
1. Oil Change: It is recommended to change the engine oil and oil filter every 3,000 miles or every three months, whichever comes first. This helps to remove contaminants and maintain proper lubrication.
2. Spark Plugs: The spark plugs should be inspected and replaced every 30,000 miles. Worn or fouled spark plugs can lead to misfires and decreased engine performance.
3. Air Filter: The air filter should be checked every 12,000 miles and replaced if necessary. A clean air filter ensures proper air flow to the engine, improving fuel efficiency and performance.
4. Fuel Filter: The fuel filter should be replaced every 15,000 miles to prevent contaminants from reaching the engine and causing fuel system issues.
5. Ignition Timing: The ignition timing should be checked and adjusted every 12,000 miles. Proper ignition timing ensures optimal engine performance and fuel efficiency.
6. Cooling System: The cooling system should be inspected annually and the coolant flushed and replaced every two years or 30,000 miles. This helps prevent overheating and protects the engine from damage.
Detailed Engine Specifications
| Engine Type | V8 |
|---|---|
| Displacement | 350 cubic inches (5.7 liters) |
| Compression Ratio | 8.6:1 |
| Power Output | 250 horsepower |
| Torque | 370 lb-ft |
| Fuel System | 4-barrel carburetor |
| Ignition System | Points-type ignition |
| Valvetrain | Overhead valve (OHV) |
| Firing Order | 1-8-4-3-6-5-7-2 |
These specifications provide a glimpse into the performance capabilities of the 1971 Pontiac 350 engine. With proper maintenance and care, this engine can deliver reliable power and performance for many years to come. Remember to follow the recommended service intervals and use the correct engine oil to keep your Pontiac running smoothly.
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