Ignition timing is easily the single most important tuning adjustment on an internal combustion engine and yet the concept of ignition curves continues to be elusive for many enthusiasts. Yet all it ...

Rules, restrictions and compromises are all meant to keep drag racing competitive and on an even playing field. Though many racers seem to take certain rules and work them in a mandrel until they fit ...

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 ...

When you’re trying to learn about older cars, you might as well be signing up for the debate club. Every question, especially when it comes to breaker points, electronic, and multiple spark discharge ...

So you're wondering what's the big deal with "digital," are you? Unless you've been hiding under a rock for the past decade, almost everything you hear about is new, improved, and digital. The "old ...