Is nickel or iridium spark plugs better?

Iridium-tipped spark plugs offer better power, more complete combustion that leads to smooth-running engines, and a longer lifespan than copper/nickel plugs. Depending on application, iridium plugs can even approach the lifespan of some platinum ones. via

How do I know which spark plugs to buy?

The different types of spark plugs can seem overwhelming at first, but the simple way to find out what kind of spark plug you need is by checking your owner's manual. The manual will specify the right plugs for your vehicle. via

What brand spark plugs does Chrysler use?

Mopar Spark Plugs are the original equipment choice for Chrysler, Dodge and Jeep® vehicles. They are designed to DaimlerChrysler specifications for optimal efficiency and performance. via

What is the best spark plug for fuel economy?

5 Best Spark Plugs for Gas Mileage and Performance

  • #1 – NGK G-Power Spark Plugs.
  • #2 – NGK Iridium IX Spark Plugs.
  • #3 – Bosch Double Platinum Spark Plugs.
  • #4 – Denso Platinum TT Spark Plugs.
  • #5 – Motorcraft Platinum Spark Plugs.
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    Should I replace all my coil packs at once?

    Coil packs are reliable and likely to last the lifetime of a vehicle. If anyone goes bad, there is no need to change all of them. However, if one pack starts malfunctioning after the odometer has around 75,000 miles, you should replace them all. via

    Can you use iridium spark plugs instead of copper?

    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. via

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