1966 Chevy K20 4L60E 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.

Learn the basic function of a torque converter along with alternative ways to cool your Chevy transmission.

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.

A modern heartbeat with classic vibes gives Corey Petska's 1966 Nova SS a second chance around.

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.

Decode small block Chevy engine suffix codes and block casting numbers with our SBC decoding info guide. Learn how to find and decipher your small block Chevy engine codes quickly and easily!

Jeff demonstrates how to install the front runner drive system by Vintage Air in his 1967 Chevelle project car all while maintaining a simple, factory fresh look.

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.