Shiftworks GM A-Body 4L60E Parts

A real-world guide to 4L60 transmission specs, strength, and swap tips.

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

Speedway Motors employee Steve upgraded the trailing arms on his 1976 Chevrolet Laguna with some spherical bushings.

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

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!

Alanna C. talks about the process of painting a fiberglass T-Bucket body.

Learn what a manual valve body can and cannot do for your automatic transmission and performance driving needs

Learn how to swap out an LS engine with a modern fuel injected engine into a hot rod for added horsepower, fuel economy, or throttle response. View a list of parts and helpful tips to complete the installation.

Removing the body. One step closer to being able to put it back together.

LS swaps are nothing new, but they're still a little mysterious to some of us. Here is an overview of what you will need and what you need to know to swap some modern performance into your muscle car, truck, or hot rod!