Tip 4: Spark Plugs

Spark plugs are one of life's great mysteries. They only cost a few bucks each, but can have a huge effect on how well your car runs. Here's all we know about the Eclipse and the spark plugs that go in it.


Spark Plug Basics

Normal, Platinum, Iridium

Plug Selection For High-Performance Turbo Cars

Diagnosing Spark Plug Health