Will changing spark plugs significantly improve power?

[VonKayden]

It will not improve power. The main function of spark plugs is to ignite the air-fuel mixture inside the cylinders. Under normal working conditions of the vehicle, the strength of the power is not related to them. Standard spark plugs: Their insulator skirts are slightly recessed into the shell end face, with the side electrode located outside the shell end face. This is the most widely used type. Projected insulator spark plugs: These have longer insulator skirts that extend beyond the shell end face. They offer advantages such as greater heat absorption, better anti-fouling capability, and direct cooling from incoming air to lower temperature, thus reducing the likelihood of hot spots and providing a wider thermal adaptation range. Fine-wire electrode spark plugs: These feature very thin electrodes, characterized by strong sparks and excellent ignition capability. They ensure quick and reliable engine starts even in extremely cold weather, with a wide thermal range suitable for various applications.