Project Farm tests E3, Pulstar, Autolite Racing, NGK Iridium, and NGK Copper spark plugs for fuel efficiency, performance, and each was visually observed for burn characteristics…
What is the Best Spark Plug Design?
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Automotive Basics
How To Read and Understand Spark Plugs
By closely examining the spark plug insulator firing tip color, you can determine a lot about an engine’s overall operating condition. [More…]
How To & DIY
How To Helicoil Damaged Spark Plug Threads
In this video, Steve Darnell from WelderUp shows you how to fix damaged spark plug threads with a Helicoil Kit. [More…]
Automotive Basics
Understanding Aluminum Heads and Spark Plugs
Spark Plug seizure in an aluminum cylinder head is usually caused by improper installation and too much torque. [More…]