MSD is a name that's synonymous with high-quality ignition components. With products ranging from coils to rev limiters, the company is probably best known for its array of ignition control boxes that ...

If you've been readingHPPfor any length of time, you likely recognized the importance of spark advance. Over the years we have reported through dyno and/or dragstrip testing the benefits of optimizing ...

OptiSpark. The name alone is enough to give '92-'96 Vette owners the jimjams and send even the most jaded auto techs scurrying for their shop manuals. Indeed, with the possible exception of the ...

The morphing of state-of-the-art electronics into today's performance vehicles keeps getting better all the time. And in case you're confused as to what magazine you're reading, we're not referring to ...