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 Make Spark Plug Wires
Hagerty’s Kyle Smith walks you through the process of building spark plug wires for your classic car or truck. [More…]
Technical Info
How To Select Spark Plugs For Your Engine
How to properly prepare spark plugs for your engine combination and how you can use them to make a little extra horsepower on the cheap! [More…]
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…]