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 ...

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 ...

Put enough years and abuse on your truck, and parts are going to fail. Our '97 Chevy 1500 has been seriously used and abused over the years, but is slowly making a comeback with the help of some great ...

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 ...