Classic Auto Locks GM B-Body Parts

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

Learn about classic car bodywork from an expert. We go over tips for Dents, Guide Coats, Sanding, and more for your hot rod or other classic body restoration project.

Need a little help Identifying GM Body Styles 1964-1972? Click Here!

Jess M. talks a bit about the locking lug nut set from Gorilla Automotive Products that she installed on her 1933 Ford coupe to help keep her new Rocket Racing Wheels safe.

Learn a few tips on how to properly mount Modified bodies and some products that will help get your race car body fabrication job done!

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.

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.

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.

In this Tech Tip, John talks about what can be expected when converting to suicide doors.

In this restoration project, find out how to remove rusted floor pans and install new sheet metal on a 1963 Chevy Impala. Investing in the proper tools is essential in getting the job done right!