Introduced more than three decades ago, GM's HEI ignition system has capably powered tens of thousands of vehicles over the years. The setup has remained popular with performance enthusiasts to this ...

Accel's single-point "blueprint" distributor is physically similar in appearance and layout to the traditional GM small-cap points-type distributor. The greater the points' closure time (dwell), the ...

Chemistry is a subject that can be a confusing subject, especially when it comes to the differences between materials like MSD’s Spark Guard and a completely different chemical paste often used when ...