It is durable but isn't designed to take a lot of pressure. Also, take care not to hit the center electrode. If you snap off the bottom electrode or damage the center electrode from excessively prying on it, you'll need a new spark plug.
Precious metal iridium or platinum center electrodes can be very delicate when it comes to prying them. It is important to use the proper spark plug gapping tool. Check the gap again. Repeat the adjustment process until the tool fits closely between the electrodes. If the spark plug gap is incorrectly set, it can lead to engine issues.
The customer may experience loss of power, misfires, spark plug fouling, increased plug wear, or poor gas mileage. Too small of a gap may give too weak of a spark to complete the combustion process within the engine; too wide of a gap can lead to the spark plug not firing correctly, causing misfires at high speeds.
Learn more about quality spark plugs , find your car part , or find where to buy your auto part today. The content contained in this article is for informational purposes only and should not be used in lieu of seeking professional advice from a certified technician or mechanic.
We encourage you to consult with a certified technician or mechanic if you have specific questions or concerns relating to any of the topics covered herein. Under no circumstances will we be liable for any loss or damage caused by your reliance on any content. Check them out! About Us. Contact Us. The incorrect plug gap for your engine can contribute to a high rate of misfires, loss of power, plug fouling, poor fuel economy and accelerated plug wear.
If adjusting the gap on fine wire or precious metal plugs such as platinum or iridium, be very careful not to apply any pressure or prying force to the fine wire center electrode or insulator as they can be damaged. The gap should be adjusted by only moving the ground electrode. This gets even more true when you are running too rich and have too wet of a mixture.
It's harder to light a fire in the rain than it is on a dry summer day. Inside your cylinder isn't much different. On mild engines, even you guys who have - HP , that isn't enough power to be concerned with on the gaps, and a gap of. Either way, your milder engine WILL run better with. Now, while we're on the subject of gaps, a little extra trick you can do to your plugs is to do what's commonly called "side gapping" them. This is when you take a small file or a fine grinder to the ground strap and cut it back so it only covers about half of the center electrode.
This exposes the spark to the open cylinder and combustion area more and prevents the shrouding that the full length ground strap tends to do on regular plugs. This can be worth a few extra horsepower, just as indexing a set of plugs is worth a few extra ponies.
I have another tech tip on how to index spark plugs which can gain you a few extra "free" HP. As you can see in the image, the plug on the left is a typical plug with a full length ground strap, where the plug on the right is side gapped.
You can clearly see how doing this exposes the spark to the open cylinder more and will promote better flame travel and combustion. It's free horsepower for only a few minutes worth of effort. For the best deals on your performance parts and accessories with the best service, choose where I order all of my components from Competition Products!
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