Spark plug indexing gives each spark a clearer path to ignite the air-fuel mixture, which can help tuners squeeze out a few ...

Spark plugs break from overtightening, carbon buildup, or age. Do you know how to remove one safely? If not, this guide will come in handy.

(Nanowerk News) Using high-performance computers and quantum mechanical methods, researchers at Heidelberg University have simulated processes that reveal how the “biological spark plug” works in the ...