Porsche 917 Engine Specs: A Powerhouse on Wheels
Engine Configuration
The Porsche 917 is renowned for its exceptional performance and power, and a significant part of its success lies in its impressive engine configuration. Let’s delve into the engine specifications that make the Porsche 917 a true powerhouse on wheels.
The engine of the Porsche 917 is a flat-12 configuration, also known as a boxer engine. This layout features twelve horizontally opposed cylinders, with six cylinders on each side of the engine block. The flat-12 design allows for a lower center of gravity, improving the car’s stability and handling.
Engine Oil Specs & Service Intervals
To keep the Porsche 917 engine running smoothly and efficiently, it is crucial to adhere to the recommended engine oil specifications and service intervals. Let’s take a closer look at these essential maintenance aspects.
The engine oil recommended for the Porsche 917 is a high-quality synthetic oil with a viscosity rating of 15W-50. This oil provides optimal lubrication and heat protection, ensuring the engine performs at its best under various driving conditions.
When it comes to service intervals, it is recommended to change the engine oil every 3,000 miles or every six months, whichever comes first. Regular oil changes help maintain the engine’s longevity and prevent any potential damage caused by contaminated or degraded oil.
Detailed Engine Specifications
| Engine Type | Flat-12 |
|---|---|
| Displacement | 4.5 – 4.9 liters |
| Compression Ratio | 10.5:1 |
| Horsepower | 520 – 630 hp |
| Torque | 370 – 450 lb-ft |
| Fuel System | Bosch Mechanical Fuel Injection |
| Ignition System | Twin Spark Ignition |
| Valvetrain | DOHC (Double Overhead Camshaft) |
| Transmission | 5-speed manual |
The Porsche 917 engine boasts a displacement ranging from 4.5 to 4.9 liters, allowing it to generate an impressive horsepower output of 520 to 630 hp. With a compression ratio of 10.5:1, this engine delivers exceptional power and performance on the racetrack.
Equipped with Bosch mechanical fuel injection, the Porsche 917 ensures precise fuel delivery, enhancing throttle response and overall engine efficiency. The twin spark ignition system further optimizes combustion, resulting in improved power delivery and fuel economy.
The Porsche 917 engine features a double overhead camshaft (DOHC) valvetrain, allowing for precise control of the intake and exhaust valves. This design contributes to the engine’s high-revving capabilities and efficient airflow, maximizing performance.
In conclusion, the Porsche 917 engine is a masterpiece of engineering, combining a flat-12 configuration with advanced fuel injection and ignition systems. With its impressive horsepower output and meticulous attention to detail, the Porsche 917 engine continues to be celebrated as one of the greatest engines ever built.
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