Intellitronix Muscle & Classic Car Engine Parts

I'm sorry to have to tell you this, but the '64 GTO was not the first muscle car.

Who gets your pick as the best manufacturer from the golden age of the muscle car wars?

Fuel injection is here to stay and we delve into the benefits of such retrofit systems for your classic muscle car or street rod in our EFI retrofit buyer's guide!

Prepare your classic muscle car for autocross competition by exploring the best options, beginner tips, and essential suspension upgrades.

Electrical wiring is one of those tasks that enthusiasts dread tackling on their own. We're here to tell you that wiring your project vehicle is something you can do with a little help from your friends at Speedway Motors!

The dyno at the Speedway Motors Racing Engine shop is always humming. We set up a camera in the cell to catch a few of the engines that have passed through the door recently.

Once you're ready to start selecting valve train components, we have some useful tips and tools that should boost your performance. We discuss proper valve-springs, pushrod length, and rocker arm ratios.

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.

Here's another installment in our 70th anniversary series highlighting some of the great stories and cars from Speedway Motors history. Meet the Mechanical Rabbit...

Learn a few tips on how to properly mount Modified bodies and some products that will help get your race car body fabrication job done!