Chevy 350 Engine Torque Specs
Introduction
The Chevy 350 engine, also known as the Chevrolet Small-Block V8, is a legendary powerplant that has been widely used in various applications for decades. Whether you’re rebuilding a classic Chevy or looking to upgrade your current engine, having the correct torque specifications is essential to ensure proper assembly and performance. In this article, we will provide you with the necessary torque specs for the Chevy 350 engine.
Engine Configuration
The Chevy 350 engine is a V8 configuration, meaning it has eight cylinders arranged in a V shape. It features a displacement of 5.7 liters, or 350 cubic inches, hence the name. This engine has a bore of 4.00 inches and a stroke of 3.48 inches, providing a balanced combination of power and efficiency. The Chevy 350 engine has been a favorite among car enthusiasts and is known for its reliability and versatility.
Engine Oil Specs & Service Intervals
Proper engine lubrication is crucial for the longevity and performance of the Chevy 350 engine. Here are the engine oil specifications and recommended service intervals for this powerplant:
| Engine Oil Specification | Service Interval |
|---|---|
| SAE 5W-30 or 10W-30 | Every 3,000 to 5,000 miles or every 3 to 6 months |
It is important to note that these service intervals may vary depending on your driving conditions and the type of oil you use. If you frequently drive in extreme temperatures or engage in heavy towing or performance driving, you may need to change the oil more frequently. Always consult your vehicle’s owner’s manual for specific recommendations.
Detailed Engine Specifications
| Component | Torque Specification |
|---|---|
| Main Cap Bolts | 70 ft-lbs (first pass), 90 ft-lbs (final pass) |
| Cylinder Head Bolts | 65 ft-lbs (first pass), 95 ft-lbs (final pass) |
| Intake Manifold Bolts | 25 ft-lbs |
| Exhaust Manifold Bolts | 20 ft-lbs |
| Flywheel Bolts | 75 ft-lbs |
| Connecting Rod Bolts | 45 ft-lbs (first pass), 90 degrees (final pass) |
| Crankshaft Damper Bolt | 70 ft-lbs |
These torque specifications are essential for proper assembly and should be followed diligently. It is crucial to use a reliable torque wrench to ensure accurate torque application and prevent damage to the engine components.
Conclusion
The Chevy 350 engine is a true icon in the automotive world, known for its power, reliability, and versatility. When working with this engine, it is important to have the correct torque specifications to ensure proper assembly and performance. Additionally, following the recommended engine oil specifications and service intervals will help maintain the longevity and efficiency of your Chevy 350 engine. By adhering to these guidelines, you can enjoy the full potential of this legendary powerplant for years to come.
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