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?
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…]
Technical Info
The Spark Plug Story
The first documented use of a spark plug in an internal combustion engine was attributed to the Belgian Engineer Jean Joseph Étienne Lenoir in 1859. Lenoir is known for developing the first internal combustion engine, [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…]
