1981 Chevy C10 350 Engine Specs
Engine Configuration
The 1981 Chevy C10 came equipped with a powerful 5.7-liter V8 engine, commonly known as the 350 engine. This engine was part of Chevrolet’s small-block engine family, which has been renowned for its durability and performance. The 350 engine featured a cast-iron block and cylinder heads, providing a solid foundation for reliable operation.
Engine Oil Specs & Service Intervals
To keep your 1981 Chevy C10’s 350 engine running smoothly and efficiently, it is crucial to adhere to the recommended engine oil specifications and service intervals. Here are the details you need to know:
Engine Oil Specifications
When selecting engine oil for your Chevy C10’s 350 engine, it is important to choose the right type and viscosity to ensure optimal performance. The recommended engine oil specifications for the 1981 Chevy C10 350 engine are as follows:
– Type: The 350 engine requires high-quality, multi-viscosity engine oil with a rating of API (American Petroleum Institute) SF or SG.
– Viscosity: The recommended viscosity for the 350 engine is 10W-30, which provides excellent lubrication in both cold and hot weather conditions.
Service Intervals
Regular maintenance and oil changes are essential to keep your Chevy C10’s 350 engine in top shape. Here are the recommended service intervals for engine oil changes:
– Normal Driving Conditions: For vehicles operating under normal driving conditions, it is recommended to change the engine oil every 3,000 miles or every three months, whichever comes first.
– Severe Driving Conditions: If your Chevy C10 is subjected to severe driving conditions, such as towing heavy loads, driving in extreme temperatures, or frequent stop-and-go traffic, it is advisable to change the engine oil every 1,500 miles or every three months, whichever occurs first.
Detailed Engine Specifications
| Engine Type | 5.7-liter V8 |
|---|---|
| Displacement | 350 cubic inches (5.7 liters) |
| Block Material | Cast Iron |
| Cylinder Head Material | Cast Iron |
| Compression Ratio | 8.5:1 |
| Fuel System | 4-barrel Carburetor |
| Horsepower | 160 HP @ 3,800 RPM |
| Torque | 250 lb-ft @ 2,400 RPM |
| Firing Order | 1-8-4-3-6-5-7-2 |
The 1981 Chevy C10’s 350 engine was a reliable powerhouse, providing ample power and torque for various applications. With proper maintenance and adherence to the recommended engine oil specifications and service intervals, your Chevy C10 can continue to deliver exceptional performance for years to come. Remember to consult your vehicle’s manual or a trusted mechanic for specific maintenance guidelines tailored to your Chevy C10’s 350 engine.
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