Buick GNX Engine Specs: Power and Performance
Engine Configuration
The Buick GNX, produced from 1987 to 1987, is a legendary American muscle car known for its exceptional power and performance. At the heart of this iconic vehicle lies a formidable engine that set it apart from its competitors. Let’s dive into the engine configuration and specifications that made the Buick GNX a true powerhouse.
The Buick GNX is equipped with a turbocharged 3.8-liter V6 engine, which was a significant departure from the traditional V8 engines commonly found in muscle cars of that era. This turbocharged V6 engine, known as the Buick LC2, was specifically developed for the GNX and delivered impressive performance figures.
Engine Oil Specs & Service Intervals
To keep the Buick GNX engine running smoothly and efficiently, it is crucial to adhere to the recommended engine oil specifications and service intervals. Proper maintenance ensures optimal performance and longevity of the engine.
The Buick GNX engine requires high-quality engine oil that meets the specifications outlined by the manufacturer. It is recommended to use a synthetic blend or full synthetic oil with a viscosity grade of 5W-30. This oil provides excellent lubrication and protection for the engine’s internal components, especially under high-performance driving conditions.
In terms of service intervals, it is recommended to change the engine oil and oil filter every 3,000 to 5,000 miles, or every three to six months, depending on driving conditions. Regular oil changes help remove contaminants and maintain the engine’s overall health.
Detailed Engine Specifications
| Engine Type | Turbocharged V6 |
|---|---|
| Displacement | 3.8 liters |
| Compression Ratio | 8.5:1 |
| Horsepower | 276 hp |
| Torque | 360 lb-ft |
| Valvetrain | OHV (Overhead Valve) |
| Fuel System | Sequential Fuel Injection |
| Boost Pressure | 14 psi |
The Buick GNX engine boasts an impressive displacement of 3.8 liters, allowing it to deliver substantial power and torque. With a compression ratio of 8.5:1, this turbocharged V6 engine produces a remarkable 276 horsepower and 360 lb-ft of torque. These figures were exceptional for the time and contributed to the GNX’s reputation as a high-performance muscle car.
The engine features an OHV (Overhead Valve) valvetrain and utilizes sequential fuel injection to deliver fuel efficiently. With a boost pressure of 14 psi, the turbocharger enhances the engine’s power output, providing exhilarating acceleration and performance.
In conclusion, the Buick GNX’s engine configuration and specifications were truly remarkable for its time. The turbocharged V6 engine, with its impressive power and torque figures, set the GNX apart from its competitors. Adhering to the recommended engine oil specifications and service intervals is crucial to maintaining the engine’s performance and longevity. The Buick GNX remains an iconic muscle car, thanks in large part to its exceptional engine.
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