1971 Chevy 350 Engine Specs
Engine Configuration
The 1971 Chevy 350 engine is a small-block V8 engine that was widely used in various Chevrolet vehicles during that era. It is part of the Chevrolet small-block engine family, which has a long and successful history of powering numerous Chevy models.
The engine features a displacement of 5.7 liters or 350 cubic inches, hence the name Chevy 350. It has a bore of 4.00 inches and a stroke of 3.48 inches. The compression ratio for the 1971 Chevy 350 engine is 8.5:1, which was relatively low compared to some earlier models.
Engine Oil Specs & Service Intervals
To keep the 1971 Chevy 350 engine running smoothly, it is crucial to use the correct engine oil and adhere to the recommended service intervals. Here are the specifications for engine oil and the service intervals:
Engine Oil Specifications
| Specification | Value |
|---|---|
| Oil Type | SAE 10W-30 or SAE 10W-40 |
| Oil Capacity (with filter) | 5 quarts |
| Oil Capacity (without filter) | 4.5 quarts |
| Oil Filter | AC Delco PF25 or equivalent |
Service Intervals
Proper maintenance is essential for the longevity and performance of the 1971 Chevy 350 engine. Here are the recommended service intervals:
– Oil Change: Every 3,000 miles or 3 months, whichever comes first.
– Oil Filter Replacement: Every oil change.
– Spark Plug Replacement: Every 10,000 miles or as per manufacturer’s recommendation.
– Ignition Timing Adjustment: Every 12,000 miles or as per manufacturer’s recommendation.
– Air Filter Replacement: Every 12,000 miles or as per manufacturer’s recommendation.
– Coolant Flush and Replacement: Every 24,000 miles or as per manufacturer’s recommendation.
It is important to note that these service intervals may vary depending on driving conditions and individual vehicle requirements. Regularly checking the owner’s manual or consulting a qualified mechanic can provide more precise information for your specific Chevy 350 engine.
In conclusion, the 1971 Chevy 350 engine is a reliable and powerful small-block V8 engine that played a significant role in the Chevrolet lineup during that era. By following the recommended engine oil specifications and service intervals, you can ensure optimal performance and longevity for your Chevy 350 engine.
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