Ultimate Guide For Spark Plug

Ultimate guide for spark plug is a blog article that traverses deeply into the world of spark plugs. In addition, it records all the necessary information like types of spark plug, importance, materials, only to mention a few. Continue reading for you to have in-depth understanding.

What Are Spark Plugs?

Spark plugs are devices that are screwed into the cylinder head of an internal combustion engine to spark and ignite the mixture of air and fuel in the combustion engine. Furthermore, it transfer heat away to generate power and propel heat away from your vehicle.

Spark Plugs ‘Heat Range’

Spark plug’s heat range simply means the degree at which the spark plug disperses the heat it receives. Furthermore, if a spark plug has a high degree of heat dispersal, it means the spark plug is operating on high heat range(Cold type), and if it has low degree of heat dispersal, it’s said to have low heat range(Hot type).

How Do Spark Plugs Work?

Spark plugs work by exchanging heat and pulling unwanted thermal energy from the combustion engine and transferring heat to the engine cooling system. In addition, it carries two electrodes separated by an air gap in the internal combustion engine across to the high tension ignition system, to form a spark by igniting through air and fuel mixture.

Types of Spark Plug

Copper Spark Plugs: Copper spark plugs are popular, the cheapest, features material like nickel-alloy, produce more power in performance driving situations, and they run cooler. Although the spark plug has great features, the soft alloy materials it features are delicate, it has a short lifespan, and it lasts between 10,000-20,000 miles.

Iridium Spark Plugs: These are types of spark plug that have short center electrodes, do not require much voltage to produce electrical current, have higher melting point, and they provide high performance in extreme conditions. In addition, iridium spark plugs are long lasting, more hard-wearing compared to platinum, and they last up to 100,000 miles.

Platinum Spark Plugs: Is a type of spark plug that easily handles heat, it has a long lifespan, it is tough, and it has a higher melting point compared to the nickel-alloy. In addition, platinum spark plug features a platinum disc at the top, and can last up to 60,000 miles.

Double Platinum Spark Plugs: These types work best for waste spark systems in a distributor ignition. Furthermore, it features double-platinum discs on both the center and side electrodes that helps the ignition system fire twice while the other spark gets wasted in the other ignition system.

Silver Spark Plugs: It’s a product of silver alloy, features long lifespan and ignition spark of increased energy. In addition, it is by far the best thermal and electrical conductor. In conclusion, it can generate up to 137% more spark power which gives it the ability to increase engine performance.

Why Do You Need Spark Plugs?

You need spark plugs because they are what supply the spark that ignites the air-fuel mixture, to create explosions for your internal combustion engine to produce power.

Importance Of Spark Plug

Spark plugs play a significant role in your automotives by igniting the mixture of air and fuel by providing a spark. In addition, the list below are other importance of spark plugs in your automotives:

• Provides engine start-up
• Give fuel efficiency
• enhance engine performance
• Emission reduction
• Prolong life-span

How Spark Plugs Are Produced

In the process of manufacturing, quality control standards and practice are implemented to ensure accuracy throughout the manufacturing process, and so that the spark plugs can function well. Below is a step-by-step guide of how it’s done:

Step 1

Below are manufacturing processes of spark plugs:

• Cold-formed steel wire are mold at low quality temperature and used by manufacturers
• Manufacturers can extrude the steel by heating the metal and pushing it through a shaped orifice for the hollow structure of the shell to be formed.
• A wheel  is manufactured by feeding steel bars into automatic screw machines. The machine then drills holes through them, forms the shells, and realizes them.

Step 2

The extruded shell goes through the machining process or knurling:In the machining process, the exterior of the shell is cut with machine tools to get the actual shapes and contours. Knurling on the other hand makes the shells go through patterned rollers to form the ridges.

Step 3

Side electrodes are produced with nickel-alloy: In this stage, the alloy is fed into an electric welder for them to be straightened and to be welded together with the shell. After the welding process, the electrodes are cut to specific length.

Step 4

This stage involves you rolling the threads onto the shells: This means that you have to let the shell undergo an electrolytic process for them to have a protective finish. The electrolytics process involves soaking the shells in acid solution, as well as salts and alkalis. After doing the above, you should allow an electrical current to pass through the solution for a thin metal coating to be created.

Step 5

When you get to this stage, pour liquid ceramic into rubber to manufacture the insulators: This involves you applying hydraulic pressure for unfired insulator blanks to be created.

Step 6

Electrically weld the alloy to the basic steel terminal stud.

Step 7

Bind the center electrode and the terminal stud assembly into the insulator under high pressure. Then put the insulator assembly into the metal shell, make sure the pound of pressure is under 6,000.

Step 8

 Form a gas and airtight seal by assembling to the correct depth and angle, then crimp the shell edge.

Step 9

For maximum security, the crimp stock spark plug gasket is plugged at the top of each body.

Step 10

Re-shape the ground electrode to form the appropriate type of spark plug gap by using a machine to trim the center electrode.

Spark Plug Materials

Center Electrodes: It makes the current circulate through the body of the spark plugs.

Ceramic Insulators: The spark plugs ceramic insulators are necessary parts that help the dielectric barrier to generate high-voltage pulses. Furthermore, the high-voltage are necessary for igniting the fuel/air mixture, and also provide mechanical support to the center electrodes.

Slide Electrode: Slide electrode is used to ignite the gasoline/petrol in the cylinder.

Metal Shell: Metal casting involves melting down durable materials like steel or nickel-alloy. Furthermore, this makes the spark plugs to withstand demanding situations inside the combustion chamber engine.

Copper Core: Copper core helps to conduct the electricity better than any other material that is utilized in producing spark plug. In addition, it transfer heat more faster.

Gaskets: These are seals at the top of the spark plugs tubes under the rocket cover that protect against all types of combustion gas that are likely to leak past the spark plug because of the extreme high combustion pressure.

Terminal: You’ll find the terminal at the top of the spark plug, and it serves as a connector to the ignition system. Furthermore, the high tension ignition lead is connected to the terminal to allow the transfer of high voltage to the firing section of the spark plug.

Ribs Or Corrugation: The ribs or corrugation is located at the top of the spark plug to prevent the spark plug from flashover.

Which Spark Plug Fits Which Engine

Finding the spark plug that best fits your engine means you have to check your engine owner’s manual. There you’ll find a specific type of spark plug that best fits your engine. In conclusion, if you have finally found out the actual spark plug for your engine, do not maneuver. Changing the specified spark plug for your engine might result in poor performance of your engine.

Spark plug common fault diagnosis

Below are some common signs that your engine has faulty spark plugs, once you notice these signs, it’s advisable for you to quickly replace your spark plugs to avoid poor performance and other serious damage in your engine .

• Hard Start:  Engine will be difficult to start.
• Engine Misfires: Your engine will hesitate or misfires instead of running smoothly.
• Gas Mileage Reduction: You’ll experience a sudden drop in fuel efficiency.
• Rough Idling: There will be rough sound in your engine.
• Lack Of Acceleration:  Sluggishness in your vehicle performance.
• Check engine light: It will always appear in your car dashboard.

How to Extend the Lifespan of Your Spark Plug

• For every 30,000 to 50,000 miles, check and replace your spark plugs.
• Make sure that you are using the type of spark plug the manufacturer recommends for your type of engine.
• Don’t idle your vehicle for too long to increase the effectiveness of your spark plugs.
• Keep your engine tuned properly.
• Use high-quality oil and fuel.
• Avoid engine modification.

FAQ

How often do I need to change the spark plug?

You should change your spark plug once you complete every 30,000 miles, but some standard spark plug can last you for up to 100,000 miles.

Conclusion

Spark plugs are one essential component in your internal combustion engine that helps your engine to run continually. For this reason, you should learn to know all that concerns them to maximize the smooth performance of your engine.