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Are aftermarket spark plugs better?

Looking for an answer to the question: Are aftermarket spark plugs better? On this page, we have gathered for you the most accurate and comprehensive information that will fully answer the question: Are aftermarket spark plugs better?

If you are designing an extremely high performance car where the plugs will be subjected to extreme conditions, they are probably a good idea. But if you are hoping to improve the performance of your car, your money will be better spent elsewhere.


Although this type of plug represents a step up in price, they typically yield slightly higher performance along with the longer life that platinum plugs are known for. Another advantage is that the double platinum plugs work especially well with “wasted spark” ignition systems.


These plugs increase your change interval to 60k miles. Better yet, upgrade to a Double Platinum or Iridium Spark Plug to increase your change interval to 100k miles. Increase your performance.


If your owner’s manual calls for copper spark plugs, don’t upgrade to platinum spark plugs or iridium spark plugs. A single platinum spark plug is basically styled after a copper spark plug with a platinum disc welded to the tip of the center electrode.

Why are OEM spark plugs so expensive?

Electrode Design and Shape is Essential: OEM spark plugs have carefully crafted electrodes that are ground into a specific shape — this process is costly and adds complexity and time to manufacturing. This shape is important to optimize performance and efficiency of the plug.


Can changing spark plugs improve performance?

The short answer is Yes, when you replace the spark plugs and wires can increase your vehicle's performance. New spark plugs help keep your engine at its peak performance and efficiency levels. ... Worn or dirty spark plugs require higher voltage to get a strong enough spark to start a vehicle.


What does a tune up consist of?

Generally, a tune-up consists of checking the engine for parts that need cleaning, fixing, or replacing. Common areas under inspection include filters, spark plugs, belts and hoses, car fluids, rotors, and distributor caps.


Which is better iridium or platinum spark plug?

Iridium is arguably eight times stronger and six times harder than platinum. It has a higher melting point of about 700 degrees compared to platinum. Platinum spark plugs wear out faster than iridium spark plugs.


Do iridium plugs make more power?

You may experience more engine power with iridium spark plugs. Iridium spark plugs can improve the performance of your engine with regard to its power. This advantage becomes apparent in situations where you need to climb steep hills or handle challenging driving situations.


Is iridium or platinum better?

Iridium is arguably eight times stronger and six times harder than platinum. It has a higher melting point of about 700 degrees compared to platinum. Platinum spark plugs wear out faster than iridium spark plugs.


What are the signs that your car needs a tune up?

5 Signs Your Car Needs A Tune-Up1 Decreased Fuel Mileage. ... Weird or New Noises. ... Diminished Braking Capacity. ... Ignoring Warning Lights. ... Engine Refusing To Start.Aug 28, 2019


How important is it to use OEM spark plugs?

Conclusion. When you use OEM plugs, you're using the plug made to help your Toyota's engine perform at its best. While they're a little more costly than most after-market brands, they're precisely engineered for your engine. They will maximize fuel efficiency and save you hundreds of dollars at the fuel pump!


What does OEM mean for spark plugs?

Original Equipment Manufacturer Here and everywhere else, OEM stands for “Original Equipment Manufacturer.” So, OEM automotive components are the official, genuine parts produced directly by your vehicle's maker.


Do aftermarket spark plugs make a difference?

This would be more accurately described as “less performance loss.” Spark plugs do not increase the performance of an engine — even spark plug manufacturers are fairly forthright about that. ... They won't make the engine perform better than it did when it was new, but they will help it stay at that level longer.


What do New spark plugs improve?

What is the benefit of replacing a spark plug?Consistent production of optimal combustion. Fully functioning spark plugs equate a fully functioning combustion system. ... Better fuel economy. ... Smooth and energetic starts. ... Less harmful emissions.


Do better spark plugs increase horsepower?

In short, yes, in some situations spark plugs can increase horsepower. ... These 'massive' gains of one or two per cent generally won't be exceeded, even if you're replacing really old and worn spark plugs for new ones. In this case, your essentially just restoring your car back to its peak performance.


Which is better NGK or Denso?

Denso plugs are installed on almost every automobile model manufactured in Japan. The iridium used in them has a superior hardness. The electrode's diameter in Denso plugs shrinks more than an NGK. For this reason, Denso plugs do not last longer than NGK units, but they are better at producing powerful sparks.


Is it bad to use aftermarket spark plugs?

Aftermarket spark plugs have a harder time producing a good amount of spark. It's because they're not designed to OE specifications. ... An aftermarket spark plug could work just OK in one vehicle and cause a great loss of horsepower and fuel economy in the next vehicle.


Does it matter what brand of spark plugs you use?

Although many motorists and technicians prefer to stick with the same brand when replacing spark plugs, there's nothing on the label that limits a particular brand of plug to a particular vehicle make or model.


Does changing old spark plugs improve performance?

The short answer is Yes, when you replace the spark plugs and wires can increase your vehicle's performance. New spark plugs help keep your engine at its peak performance and efficiency levels. ... Worn or dirty spark plugs require higher voltage to get a strong enough spark to start a vehicle.


Are Upgraded spark plugs worth it?

That translates to better combustion, lower emissions, better fuel economy and more horsepower. Lower your costs. It's true – buying an upgraded plug does cost more than a basic spark plug. Iridium plugs cost on average $3-$4 more per plug, which only costs you $16-$32 more for your entire engine.


Is it worth buying iridium spark plugs?

Iridium is said to be six times harder and eight times stronger than platinum with a 700° higher melting point. Iridium spark plugs have extremely fine electrodes while retaining excellent wear characteristics. Thanks to its strength, iridium spark plugs can last up to 25% longer than comparable platinum spark plugs.


Should I use cheap spark plugs?

Over the course of 5 years, a cheap set of spark plugs will be very expensive. So even if you're trying to save money on spark plugs and don't care about longevity, OEM plugs are still the way to go.


Should I upgrade to iridium spark plugs?

Starting your car in the winter Winter starts can seriously decrease your car's performance, and also run the risk of spark plug fouling. Upgrading your spark plugs to an Iridium fine wire plug will provide instant starts in cold weather and help eliminate the risk of fouling.

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Stuart Morrison

Hi everyone, my name is Stuart Morrison and I am the editor-in-chief and author of the Answeregy website. I am 35 years old and live in Miami, Florida. From an early age I loved to learn new things, constantly reading various encyclopedias and magazines. In 1998 I created my first Web site, where I posted interesting facts which you could rarely learn elsewhere. Then, it led me to work as a content manager for a large online publication. I always wanted to help people while doing something I really enjoyed. That's how I ended up on the Answeregy.com team, where I... Read more