Benefits of High Octane Rating?
1 Answers
High octane rating can prevent knocking in the engine and allow the ignition timing to be advanced further, thereby improving the engine's power output. Here is some relevant information about octane rating: 1. Introduction: The higher the octane rating, the higher the gasoline grade. Different grades of gasoline have different octane ratings, but beyond that, the differences are minimal. 2. Refueling Note: If the engine operates at a relatively high temperature and the pressure in the cylinder is also high, it generally requires 95-octane gasoline. Using 92-octane gasoline may cause knocking. 3. Knocking: Knocking is an abnormal combustion phenomenon in the engine. When the piston is in the compression stroke, it moves upward to compress the combustible mixture, causing the temperature and pressure of the mixture to rise. If the gasoline's anti-knock properties are poor, the combustible mixture may ignite prematurely before the spark plug fires, which is known as knocking. The burning mixture pushes the piston downward while the piston is still moving upward, leading to reduced engine power and increased fuel consumption. Severe knocking can also damage the engine.