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 ...

Horse Sense:NMRA racers should consider themselves lucky the sanction even permits the use of MSD's 7531 ignition box in some of the heads-up classes. In a classic, racing-rules catch-22 (where a kick ...

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 ...