GMC Timing Lights

Speedway Motors announced today they will debut new products and two new product lines in their booth (#23791) at the 2024 SEMA Show Nov. 5-8 in Las Vegas, Nev.

Improve speed and utilize practice time efficiently by gaining awareness of corner times.

What happens when you advance or retard a camshaft? In this tech article, we explain the pros and cons of installing your cam straight up, advancing or retarding.

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

Learn how to set initial timing on the Chevy 350 SBC and the Ford 302. Our guide covers step by step instructions so you can set timing on your engine.

Jason Martin is in the pits at 305 Racesaver Nationals talking to racers about topics they would like more information on. Follow along as Jason Martin gives advice on how to set your birdcage.

Choosing new wheels for a GMC Chevrolet truck. This project uses Speedway Motors GM Rally Wheels and new tires to enhance the appearance of the truck.

Understand GM’s AFM system—how it operates, it’s pros and cons, common lifter failures, and your options for tuning, disabling, or full AFM delete.

Check out this headlight wiring and taillight wiring diagram.

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.