1966 Cadillac DeVille 4L85E Transmission Parts

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

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

Follow along as Jeff installs an early 700R4 transmission for the big block in his 1967 Chevelle. See how this unit is upgraded and converted to a later 30 spline style.

Learn about the G Force crossmember and how the symmetrical product design makes for a smooth installation on Jeff's 1967 Chevelle.

Sometimes, a simple paint job can cause a project to spiral out of control. In the case of Steve's '66 Chevelle, it came out way better than anyone expected.

Jeff converts his 1967 Chevelle manual brake system to power by installing a Delco booster kit. Learn how to make the master cylinder more resistant to brake fluid and a few tips for an easy install.