Best Spark Plug Design? Let's find out! E3, Pulstar, Racing & Platinum

E3, Pulstar, Autolite Racing, NGK Iridium, and NGK Copper spark plugs tested for fuel efficiency performance and visually observed for burn characteristics.

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This video is only for entertainment purposes. If you rely on the information portrayed in this video, you assume the responsibility for the results. Project Farm LLC

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