AC Knobs and Switches

Learn about the functionality of key parts in a hot rod air conditioning system for install or diagnosing issues. We cover the condenser, compressor and more.

How proportioning valves work, fixed vs adjustable valves explained, and how to reset a prop valve.

Not sure how to get your classic ready for winter hibernation? Click here!

Super Chevy features the Speedway exclusive Lokar Muscle Car Shifter Knob Adapter

Learn about performing an LS Swap in a 1972 Chevelle in this tech article. We'll discuss lessons learned from our Chevelle engine swap using a 500-horse 6.0.

The benefit of using adjustable shocks and why the CSI cockpit shock adjuster assembly is the most precise on the market. Find out more on how this product works and why it's important to fine tune your shocks at the track.

Learn how to wire dual electric radiator fans. Use our dual fan wiring diagram and guide to make sure you properly wire your fans to your thermostat.

Tired of those nasty, sticky indicator levers on you GM steering column? Resurrect them with Speedway Motors' Column Dress-up Kit, reviewed here by one of our own employees!

Adjustable suspensions allow for big changes to a car's stance and handling characteristics, but it's important to understand some suspension tuning principles before making big changes to the suspension under your custom or race car.

We talked to a few of our in-house race experts about ways to make this racing season your best one yet!