1987 Buick Grand National Engine Specs

The 1987 Buick Grand National is a legendary car known for its powerful engine and impressive performance. Let’s dive into the engine specifications of this iconic vehicle.

Engine Configuration

The heart of the 1987 Buick Grand National is its turbocharged V6 engine. Here are the key details of its engine configuration:

Engine Type Turbocharged V6
Displacement 3.8 liters
Number of Cylinders 6
Valvetrain Overhead Valve (OHV)
Fuel Delivery Sequential Fuel Injection

The turbocharged V6 engine of the 1987 Buick Grand National was specifically designed to deliver impressive power and acceleration, making it a true performance car.

Engine Oil Specs & Service Intervals

Proper maintenance of the engine is crucial to keep the 1987 Buick Grand National running smoothly. Here are the engine oil specifications and recommended service intervals:

Engine Oil Type 5W-30 Synthetic
Oil Capacity 5 quarts (with filter)
Oil Change Interval Every 3,000-5,000 miles or 3-6 months

Using a high-quality 5W-30 synthetic oil is recommended for the 1987 Buick Grand National to ensure optimal engine performance and protection. It is important to regularly change the oil and oil filter to remove contaminants and maintain proper lubrication.

Service Intervals

In addition to regular oil changes, there are other important service intervals to keep in mind for the 1987 Buick Grand National. Here are some key maintenance tasks and their recommended intervals:

– Air Filter Replacement: Every 15,000-30,000 miles or as needed.
– Spark Plug Replacement: Every 30,000-45,000 miles or as needed.
– Coolant Flush and Replacement: Every 2 years or 30,000 miles, whichever comes first.
– Timing Belt Replacement: Every 60,000-100,000 miles or as recommended by the manufacturer.
– Fuel Filter Replacement: Every 30,000-45,000 miles or as needed.

Following these service intervals will help ensure the longevity and optimal performance of the 1987 Buick Grand National’s engine.

In conclusion, the 1987 Buick Grand National is equipped with a turbocharged V6 engine that delivers impressive power and performance. Proper maintenance, including regular oil changes and adherence to recommended service intervals, is essential to keep the engine running smoothly. By taking care of the engine, owners can continue to enjoy the thrilling experience that the Grand National has to offer.

Categories: 3.8Buick

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