Buick GS Shift Indicators

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

Tim explains the process of adjusting Buick Finned Drums to fit Speedway's self-energizing backing plate assembly.

This resource contains a transmission pan shape ID chart and other tips to help with identifying GM transmissions.

Learn more about GM steering column identification, GM steering column lengths, and GM steering column compatibility.

Learn how to install a side detent shifter in a 1969 Chevy C10.

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.

This article explains how to install a chrome column shifter into the steering column itself. We will help you determine the length of steering column needed along with all the parts required to get the job done.

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.

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.

Looking to replace a turn signal switch in your street rod, rat rod or muscle car? Kevin explains the install process in his 1954 Belair, which you can apply to your own build.