GM B-Body 4L60E Frame

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

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

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

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.

Tips and tricks to pull the most from your GM 602/604 platform.