Question:
Aren't Platinum or Iridium spark plugs the best?
Answer:
No. As a matter of fact, Platinum and Iridium are some of the worst metal conductors. The reason why Platinum and Iridium spark plugs are used is for longevity only. They can last up to 100,000 miles. If you are looking for longevity, they are for you. If you are looking for performance, choose silver.