Speedway Motors 1981 GMC C3500 Parts

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.

Learn how to swap out an LS engine with a modern fuel injected engine into a hot rod for added horsepower, fuel economy, or throttle response. View a list of parts and helpful tips to complete the installation.

Greg walks step by step through priming your engine.

Whether you've never had the chance to see our warehouse or talk to the team at the counter or you've been here a hundred times, check out this behind the scene video.

AccuAir and Speedway Motors team up to bring you a video series explaining the basics of air suspension. Watch these videos to get a better understanding of air suspension.

Looking to swap the venerable LS engine into your hot rod, muscle car, or classic truck? Take a look at our detailed identification guide for Gen III/IV LS engines before you hit the salvage yard or swap meet!

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.

Derek kicks off his 55 Chevy rebuild with a fresh small block.

Engine Cylinder Numbers

In honor of NASCAR's 75th anniversary, we're taking a look at a few remarkable engines that have powered our favorite racers to victory through the years.