![how to install spark plugs with headers on a 350 how to install spark plugs with headers on a 350](http://www.grumpysperformance.com/shortypl.jpg)
Good contact in the headers prevents the loss of impulse energy transmitted to the spark plug wires. In the dark, there is sometimes a luminosity (glow) around the ignition system devices due to the humidity and ionization of the air, for example before a thunderstorm, or high current leakage. If you open the engine compartment at night, the current leak will be visible by the spark. It is often possible to determine the failure by testing the insulation when the engine is operating by ear (clicks are audible) or visually. If your 350 old components aren't working that well, you're gonna notice a big difference in how the car runs. Do you have some troubles with your car currently? It's a good idea to just replace all of these things in one shot. You're also gonna wanna check out your coil, too. If you're looking for new spark plug wires, it's a really good idea to replace the cap and rotor while you're at it since that isn't expensive to do. The high temperature affects the spark plugs the most, because they are close to the heated parts of the engine. Besides, due to the constant vibration that accompanies the engine operation, the joints are loose, which may lead to a deterioration of the contact, for example in the distributor cover.
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If one of the wires showed a resistance value much less than the others, then it is faulty.Īt low temperatures, high-voltage wires become rigid, and their insulation is more likely to be damaged. The values vary but should not exceed 50 Ohms. Wire resistance can be measured with a digital multimeter. In the areas where the connection is broken, there will be a spark and heat, which further aggravates the situation and may lead to the burning of metal contacts or core components.Ĭurrent leakage occurs through contaminated wires, spark plugs distributor cover, ignition coil, and when insulation and caps are damaged, so their dielectric properties deteriorate during use. bad connection with the output of the relevant components of the ignition system.The electrical circuit breaks at the point where the metal contact of the wire is connected to the conductive housing and other components of the ignition system, for example: The faults are an electrical failure and current leakage.