Autolite, Author at UnderhoodService - Page 2 of 2
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How Iridium Spark Plugs Have Evolved with Engine Technology

True iridium alloy spark plugs are the experts’ choice when replacing their spark plugs to meet or exceed OE specifications for performance in late-model engines.

Iridium Aftermarket Spark Plugs Offer OE-Level Performance

Aftermarket parts manufacturers live to push the boundaries of performance.

I Spy Spark Plug Fouling

As a plug’s service life is coming to an end, or if the plug is suffering from an improper gap, symptoms of fouling may start to show.

Understanding Ignition Systems

In this article, we touch on the features of three ignition systems, as well as advantages and disadvantages of each.