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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How To & DIY
How To Rule Out A Spark Plug As Your Problem
A very simple but effective method to confirm if a spark plug is/is not the cause of engine starting and/or performance problems. [More…]
Technical Info
The Spark Plug Story
The first use of a spark plug in an internal combustion engine was attributed to the Belgian Engineer Jean Joseph Étienne Lenoir in 1859. [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…]