GMC 150-22 Audio and Electronics

This Chevelle project gets rewired with a Speedway Motors 22 Circuit wiring kit. Follow along as Jeff guides you through this application, starting with a good mounting location for the fuse box. Learn more on continuity, grounding and relays.

Testing a 2 or 3 wire speed sensor sounds difficult, but these videos show that it actually is quite easy!

Decode, ID, and upgrade your GM 12-bolt rear end. Learn axle specs, gear ratios, and best performance parts upgrades.

Here's a handy guide to familiarize you with our G-Comp line of performance suspension systems.

Tips and tricks to pull the most from your GM 602/604 platform.

Speedway Motors employee Tim M. decided to take us along as he takes another step in restoring a '32 Ford. This go-round he repairs an original '32 grille insert to put in his new shell.

Learn about GM alternator identification in our guide. We cover GM 3 wire alternators, 1 wire alternators, and externally regulated so you know what to choose.

Some basic info on the various exhaust options carried by Speedway Motors.

If you're ready to get your street machine sounding as good as it looks, it's important to know how each muffler will affect your sound and performance. Take a listen and decide which muffler is best for your rod.

All you need to know about racing a 602 GM crate engine and the necessary parts to make a race ready engine.