Is it better to use 92 or 95 octane gasoline for a turbocharged CR-V?
1 Answers
It is better to use 95 octane gasoline for a turbocharged CR-V. Currently, 92 octane gasoline is mostly ethanol-blended, which is not very suitable for turbocharged engines. Here is some relevant information about engine gasoline: Gasoline Anti-Knock Properties: The higher the octane rating of gasoline, the better its anti-knock properties. Generally, turbocharged engines operate under high pressure and temperature inside the cylinders, so most turbocharged engines require 95 octane gasoline to prevent knocking. Compression Ratio: The compression ratio of a car engine refers to the degree to which the air-fuel mixture is compressed. Generally, engines with a compression ratio greater than 9.5:1 are best suited for 92 octane or higher gasoline, while those with a compression ratio greater than 10:1 are best suited for 95 octane or higher gasoline. High-Octane Gasoline: Using high-octane gasoline ensures stable engine operation, excellent combustion conditions, reduces carbon deposits, and protects the oxygen sensors by minimizing collisions between moving parts. In practice, high-octane gasoline is more fuel-efficient and allows for faster driving at constant speeds in high-compression-ratio engines, whereas low-octane gasoline can be used but is not optimal.
