Difference Between Gasoline Engine Oil And Diesel Engine Oil
Generally, the working conditions of diesel engine are worse and more severe than that of gasoline engine, so the quality requirements of diesel engine oil are much higher than that of gasoline engine oil. Here are several different methods.
1. API label difference: the beginning of s represents the special use of gasoline engine, the beginning of C represents the special use of diesel engine, and the two letters of S and C are marked at the same time, indicating the general use.
2. Engine difference: when the diesel engine is in the intake air, it is the air that enters the cylinder. When the gasoline engine is in the intake air, it is drawn into the cylinder by the piston.
3.Diesel engine is compression ignition, gasoline engine is electric spark ignition. When diesel engine is started, high-power starter shall be used to start, and gasoline engine shall be started with starter.
4,Diesel engine speed is low, gasoline engine speed is high, oil is different, the compression ratio of diesel engine is more than twice that of gasoline engine, and gasoline engine oil has not so high anti-corrosion requirements.
Because cars, buses and other gasoline engine vehicles often drive in the city, and because of road congestion, they are often in the state of stop and start, so under the working conditions of gasoline engine, engine oil is easy to produce low-temperature sludge, so gasoline engine oil is required to have good dispersion of low-temperature sludge; while diesel engine vehicles often drive on the road, vehicles run for a long time, engine temperature and pressure are all The engine oil is easy to oxidize and produce colloid, so the diesel engine oil should have good high temperature detergency.
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