1968 Chevy Truck 396 Engine Specs
Engine Configuration
The 1968 Chevy Truck came equipped with a powerful 396 cubic inch V8 engine. This engine was part of the Mark IV big-block engine family and was known for its impressive performance and durability. Let’s take a closer look at the engine configuration of this classic truck.
Engine Specifications
To understand the capabilities of the 1968 Chevy Truck’s 396 engine, let’s delve into its detailed specifications. The following table provides a comprehensive overview:
| Engine Type | V8 |
|---|---|
| Displacement | 396 cubic inches (6.5 liters) |
| Compression Ratio | 10.25:1 |
| Valvetrain | Overhead Valve (OHV) |
| Number of Valves | 16 |
| Fuel Delivery | Four-barrel Carburetor |
| Horsepower | 325 HP |
| Torque | 410 lb-ft |
| Engine Block Material | Cast Iron |
| Head Material | Cast Iron |
Engine Oil Specs & Service Intervals
Proper maintenance is crucial for keeping the 1968 Chevy Truck’s 396 engine running smoothly. Let’s explore the recommended engine oil specifications and service intervals for this classic truck.
Engine Oil Specifications
To ensure optimal performance and longevity, it is important to use the correct engine oil for the 1968 Chevy Truck’s 396 engine. The recommended engine oil specifications for this engine are as follows:
– Oil Type: SAE 10W-30 or SAE 10W-40
– Oil Capacity: Approximately 5 quarts (including filter)
It is essential to choose high-quality engine oil that meets the specified viscosity requirements to provide proper lubrication and protection for the engine components.
Service Intervals
Regular maintenance is essential to keep the 1968 Chevy Truck’s 396 engine in top shape. 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 to 5,000 miles or every six months, whichever comes first. Regular oil changes help remove contaminants and ensure proper lubrication.
2. Spark Plugs: Inspect and replace the spark plugs every 10,000 to 15,000 miles or as per the manufacturer’s recommendation. Faulty spark plugs can lead to reduced engine performance and fuel efficiency.
3. Air Filter: Check and replace the air filter every 12,000 to 15,000 miles or as needed. A clean air filter promotes better airflow and protects the engine from dust and debris.
4. Fuel Filter: Replace the fuel filter every 20,000 to 30,000 miles or as recommended by the manufacturer. A clogged fuel filter can restrict fuel flow and affect engine performance.
5. Timing Belt/Chain: Inspect the timing belt or chain every 50,000 to 100,000 miles or as per the manufacturer’s guidelines. Replace if signs of wear or damage are detected to prevent engine damage.
By following these service intervals and using the recommended engine oil, you can ensure that the 1968 Chevy Truck’s 396 engine remains in excellent condition and delivers the performance it was designed for.
In conclusion, the 1968 Chevy Truck’s 396 engine was a powerful and reliable V8 engine that provided impressive performance. With its detailed engine specifications and recommended service intervals, owners can keep this classic truck running smoothly for years to come.
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