Do Bosch Double Iridium spark plugs need anti seize?

Should I use anti-seize on Bosch Double Iridium spark plugs?

For Landfill applications, anti-seize is highly recommended. Bosch recommends Loctite Heavy Duty Metal Free anti-seize part number 51605. When applying anti-seize, only put a small amount at the base of the spark plug as shown.

Do Iridium spark plugs need anti-seize?

Should you apply anti-seize on spark plug threads? No. Most spark plugs have either a zinc or nickel plating that prevents the threads from seizing in the cylinder head.

Do I have to put anti-seize on spark plugs?

Thread breakage can sometimes involve removing the cylinder head for repair. Metal shell stretch changes the heat rating of the spark plug and can result in serious engine damage caused by pre-ignition. Do not use anti-seize or lubricant on NGK spark plugs. It is completely unnecessary and can be detrimental.

What is the difference between Iridium and double Iridium spark plugs?

The ultra-fine wire design and laser welded tapered ground electrode deliver optimum performance, while the iridium center electrode and ground electrode help it to go the distance. …

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Should you lubricate spark plug threads?

NGK does not recommend the application of lubricant such as copper grease to spark plug threads as the result is a reduction of frictional forces at the thread faces. … It’s very important not to over or under tighten spark plugs during installation. Over tightening can lead to distortion of the spark plug and breakage.

Where should you not use anti-seize?

When not to use anti-seize

The threads need to be chased, re-tapped, or repaired. Do not use anti-seize as a lubricant such as on caliper slide pins or on threads for a bushing press or any mechanical assembly that requires a lubricant.

What is the best anti seize lubricant for spark plugs?

The Best Anti-Seize Products

  • Permatex 77164 Nickel Anti-Seize Lubricant. …
  • Permatex 31163 Copper Anti-Seize Lubricant. …
  • Loctite 299175 Paste Anti-Seize Lubricant. …
  • Loctite 37617 Anti-Seize Lubricant. …
  • STAR BRITE 085504 PTEF Anti-Seize Lubricant. …
  • CRC SL35911 Nickel Anti-Seize Lubricant. …
  • Corrosion-X 90102 Anti-Corrosion Lubricant.

How tight should you tighten spark plugs?

Tighten the spark plug finger-tight until the gasket reaches the cylinder head, then tighten about ½ – ⅔ turn more with a spark plug wrench. (Taper seat: About 1/16 turn more.)

Are NGK Laser Iridium plugs good?

NGK 6619 Iridium IX Spark Plugs snagged the top pick in our spark plug comparison because they offered the best mix of high-performance, fuel efficiency, durability, and dependability. Featuring an iridium construction, these high-quality spark plugs provide a longer lifespan than copper and platinum spark plugs.

Should I use anti seize on spark plugs in aluminum heads?

Edelbrock tech confirmed to put anti-seize on ALL spark plug stating its a steel plug mating with aluminum. NGK says their metal is a special material that will not stick to anything and no anti seize is recommended because of potential over-torquing.

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Do Iridium spark plugs increase horsepower?

Increase your performance.

Iridium plugs take less voltage to fire which results in more coil dwell time. That translates to better combustion, lower emissions, better fuel economy and more horsepower.

Are Iridium spark plugs worth the money?

It is estimated that iridium spark plugs will last for at least 60,000 miles. However, they’ve been known to go up to 80,000 miles, or even 120,000 miles, depending on the vehicle. … So, an investment in these spark plugs would surely be worth it for this. You may never actually have these spark plugs go bad on you.

Which spark plug is better iridium or platinum?

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.