The new Digital HP ignition box from PerTronix is like a successful reinvention of the wheel. It's small (70 percent smaller than other boxes), packs a 187 mJ punch (30 percent more than other ...

Newer engines like as the Coyote, LS, and G3 Hemi have an ignition coil for each cylinder. This modern approach is called "coil near plug" or CNP, and it replaces the distributor with eight small ...

When it comes to your motorcycle’s electrical and ignition systems, there’s a lot to know about diagnosis and repair. One potential complication involves your bike’s CDI box. But what is a CDI box on ...

Precise ignition timing is essential for high-performance engine tuning and ensuring your small-block or big-block is delivering every horsepower within its capability. Since the era of poodle skirts, ...

There was a time when the size of your car’s rear tire could severely inhibit dragstrip performances. The only “power management” available was your own foot and optimal traction was had by stuffing ...