G-Body Automatic Transmissions

This Cobra features a G-Comp suspension and an unlikely engine choice, but its mission is the same as those storied Cobras of old. It was built to win races.

Learn about the power behind the G-body platform and the steps to upgrade a 7.5" bolt rear end to a 8.5" to withstand high horsepower. See how to change the differential fluid and install new gaskets.

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

Explore dirt stock car racing’s key terms, classes, rules, parts, and tips for success in this ultimate guide for new competitors.

Speedway Motors employee Pat O. is back to talk Ford Automatic OverDrive Kickdown brackets and kits.

Step by Step guide to installing a G-Comp front suspension on your Nova.

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

Learn how to replace a fuel sending unit. Our fuel gauge sending unit guide and installation video covers all you need to match your fuel sender and gauge.

Learn how Zach replaces a transmission and breakaway converter in his 55 Chevy, with some helpful tips along the way.

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