Where to look at the calorific value of the spark plug

The spark plug we are talking about today is an important part of the engine's ignition system. The choice of spark plug will directly affect the operation of the engine. But when we replace the spark plug, many people only pay attention to its material and number of poles. In fact, the calorific value of the spark plug is also very important. If you don't pay attention, it may cause varying degrees of impact. Now let's talk about how to see the calorific value of the spark plug.

Where to see the heat value of the spark plug:

The calorific value of the spark plug is represented by numbers, and these numbers are usually located in the middle of the model, for example, the model is BP5E S -1 1, then the number 5 is the calorific value of the spark plug. It is worth mentioning that the calorific value of different brands is different, and the calorific value of each brand has its corresponding model, so we must pay attention to it when purchasing.

The spark plug calorific value actually refers to an index calorific value of the heat and heat dissipation capacity. The higher the engine speed, the higher the cooling calorific value. The calorific value includes nine numbers from 1 to 9, of which 1--3 are low calorific values, 4--6 are medium calorific values, and 7-9 are high calorific values. The calorific value of most car spark plugs is 5-7 This interval.

But it should be noted that, never spark plugs with different heat exchange values. If the original heat value of your car is 7, and you accidentally replace it with a piston with a heat value of 4 when you replace it, it will not be very good. It is resistant (high temperature). If the spark plug is easily burned due to insufficient heat dissipation when the engine continues to run at high speed, it is very important to choose the correct heating value.