1959 Chevy 235 Engine Specs

Engine Configuration

The 1959 Chevy 235 engine was a popular choice for many Chevrolet vehicles during that era. It featured a six-cylinder inline configuration, meaning all six cylinders were arranged in a straight line. This engine configuration provided a smooth and balanced power delivery, making it suitable for a wide range of applications.

Engine Oil Specs

To keep the 1959 Chevy 235 engine running smoothly, it is essential to use the correct engine oil. The recommended engine oil for this engine is a high-quality 10W-30 motor oil. This oil provides the necessary lubrication and protection for the engine’s moving parts, ensuring optimal performance and longevity.

Service Intervals

Regular maintenance is crucial to keep the 1959 Chevy 235 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 every 3,000 miles or every three months, whichever comes first. This ensures that the engine is always running with clean and fresh oil, reducing wear and tear on internal components.

2. Oil Filter Replacement: Along with the oil change, it is important to replace the oil filter. This should be done at the same interval as the oil change to ensure proper filtration and prevent contaminants from circulating in the engine.

3. Spark Plug Replacement: The spark plugs should be replaced every 10,000 to 15,000 miles. This helps maintain efficient combustion and prevents misfires, ensuring smooth engine operation.

4. Air Filter Replacement: The air filter should be inspected regularly and replaced every 15,000 to 30,000 miles, depending on driving conditions. A clean air filter allows for proper airflow to the engine, optimizing fuel efficiency and performance.

5. Ignition Timing Adjustment: It is recommended to check and adjust the ignition timing every 12,000 to 15,000 miles. Proper ignition timing ensures optimal power delivery and fuel efficiency.

6. Cooling System Flush: The cooling system should be flushed and refilled every two years or 30,000 miles, whichever comes first. This helps remove any accumulated debris or contaminants and ensures efficient cooling of the engine.

Detailed Engine Specifications

Engine Type Inline 6-Cylinder
Displacement 235 cubic inches
Bore and Stroke 3.5625 inches x 3.9375 inches
Compression Ratio 8.0:1
Valve Configuration Overhead Valve (OHV)
Fuel Delivery Single Barrel Carburetor
Horsepower 135 hp
Torque 217 lb-ft
Firing Order 1-5-3-6-2-4

The 1959 Chevy 235 engine was a reliable and capable powerplant, offering a balance of performance and fuel efficiency. With proper maintenance and regular service, this engine can continue to provide many miles of enjoyable driving. Remember to follow the recommended service intervals and use the correct engine oil to keep your 1959 Chevy 235 engine running smoothly for years to come.

Categories: 3.9Chevrolet

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