PerTronix GMC Jimmy Engine Parts

Speedway Tech Zach discusses the Pertronix Ignitor III conversion in his '55 Chevy.

Instructions on how to install a PerTronix Ignitor Kit in an old flathead distributor for a flathead V8.

Inside GM’s Gen V LT engine family: history, tech, and performance of each LT engine option available.

To celebrate the upcoming 106th running of the Indianaplis 500, here's a look back at a few of the engines that have competed at the Brickyard over the years.

In this budget build, a GM rear end is upgraded in order to hold 400+ HP. See how spherical bushings are replaced in a used 8.5” GM 10 bolt rear end.