This is an extreme Champion racing spark plug once used in 15:1 NASCAR superspeedway motors with a radically cut-back side electrode. Spark plug manufacturers usually spot-weld side electrodes to the ...

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Sometimes a hack doesn’t need to be rocket science to be useful. Take for instance [MofigoDIY] using an old spark plug to build a glass cutter. Sure, going to grab a glass cutter at the hardware store ...

Cutting metal can be dif-ficult without the right tools- even with the proper equipment, achieving an angled or curved cut can be awkward and time consuming. If you have never used a plasma cutter ...