What spark plugs are better than NGK?

Iridium Spark Plugs – Service Life
The actual iridium electrode looks like it could last the life of the car. Denso Iridium spark plugs use a much thinner electrode than even the NGK.
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Which brand of spark plug is best?

  • Editor's Pick: Denso Platinum TT Plug. ...
  • NGK V-Power Spark Plug. ...
  • ACDelco Professional Iridium. ...
  • ACDelco Professional RAPIDFIRE. ...
  • Champion Copper Plus. ...
  • Motorcraft Spark Plugs. ...
  • NGK Laser Platinum.
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Are Denso spark plugs as good as NGK?

Both brands are popular and have their own set of pros and cons. Denso makes strong and long-lasting spark plugs, but NGK provides greater overall performance. If you're searching for a high-quality set of spark plugs that will improve the performance of your engine, NGK is the way to go.
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What is the difference between NGK and Denso plugs?

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 these plugs shrinks more than an NGK. For this reason, Denso plugs won't last longer than NGK units but they will be better at producing powerful sparks.
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What is the strongest spark plug?

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.
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The Best Spark Plugs in the World and Why



Which is better Denso iridium or NGK iridium?

NGK Iridium IX are designed to be a standard replacement that lasts many times longer than platinum while over more consistent performance over the life of the spark plug, and with less maintenance. Denso have taken the superior hardness of Iridium and chosen to shrink the diameter of the electrode more than NGK.
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What's the best spark plugs for horsepower?

Best Spark Plugs for Horsepower – Performance – Fuel Mileage (2020 edition)
  • Denso (4504) PK20TT.
  • NGK 3403 G-Power.
  • ACDelco 41-962.
  • NGK Iridium IX.
  • ACDelco 9748RR Wires.
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What's the best spark plug for performance?

Iridium. The best spark plugs on the market boast an iridium construction. Iridium spark plugs give you even better gas mileage, performance, reliability, and longevity than double-platinum plugs.
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What is better platinum or iridium spark plugs?

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. What is this? Platinum spark plugs wear out faster than iridium spark plugs.
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Are iridium plugs worth it?

Iridium spark plugs are the most expensive spark plug model on the market, but in many cases they are worth the investment, as the premium price also comes with high performance and reliability.
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Should I use OEM spark plugs?

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. They'll ensure maximum performance and fuel economy, and that will save you on one of your largest vehicle expenses (fuel).
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How long does Denso Iridium last?

The estimated mileage of iridium spark plugs – depending on the thickness of the central electrode and the construction of the ground electrode – ranges from 60,000 km up to 120,000 km in the case of DENSO Super Ignition Spark Plugs, which feature a protruding ground electrode, like DENSO's Twin Tip (TT) Spark Plugs.
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What is the main disadvantage of platinum spark plugs?

Single platinum spark plugs feature a platinum disc welded on the center electrode, while double platinum spark plugs have platinum discs on the center and side electrodes. The only drawback of platinum is that it's less conductive than copper, so it is inferior to the latter when it comes to performance.
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Do spark plug brands matter?

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.
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Do expensive 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. Noble metal plugs can perform consistently and well, which helps to maintain the engineered performance of the engine.
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Are Laser iridium spark plugs better?

Laser Iridium spark plugs are the superior spark plug option in the iridium category. The laser technology ensures higher ignitability rates and a longer lifespan. The laser iridium spark plug has a tip with the smallest diameter creating a slower wear rate, lower emission, and improved fuel economy.
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How long do NGK iridium plugs last?

NGK gives them a life expectancy of 40-50k miles. But they have to temper their projections as driving conditions and motor modifications differ. Typically we have found you can expect 60,000 to 80,000 miles on an unaltered motor. NGK Laser Iridium Spark Plugs have iridium center and a platinum ground electrodes.
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Does iridium spark plugs increase performance?

Greater engine power from iridium spark plugs

The spark plug manufacturers are unanimous about the fact that iridium spark plugs can considerably improve the engine power. The advantage is crucial when you need to navigate through difficult driving situations or climb steep slopes.
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Do high performance spark plugs increase horsepower?

In short, yes, in some situations spark plugs can increase horsepower.
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What is the difference between iridium and Laser iridium?

These two plugs perform similarly, due to their fine-wire tip design, but the service interval is different; the Laser Series are typically designed to last 80 to 100 thousand miles, where as the Iridium IX® spark plugs are designed to last 40 to 50 thousand miles.
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Can better spark plugs increase performance?

Improved Horsepower. Finally, new spark plugs can greatly improve your car's horsepower and overall engine performance. When you change your worn-out spark plug with fresh spark plugs, you'll notice a much faster engine response when driving.
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Are copper spark plugs better than iridium?

Platinum and Iridium plugs perform at a lower level than copper spark plugs, because they are less conductive and they tend to overheat. However, the overall longevity of these two types of metal is better than copper plugs. In reality, copper has the best performance of all three and the worst longevity.
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What's better 7mm or 8mm spark plug wires?

A more robust core provides a lower resistance path for the power, thereby allowing more power to reach the spark plugs. Additionally, the 8mm wires have a thicker outer coating that keeps the core safe from damage. These wires also have a thicker layer of suppression material.
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