4L85E Drag Racing Transmission Parts

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

Estimate horsepower, trap speed, and ET with our drag performance calculator. Use it as a 1/4 mile time estimator or 1/8 mile ET to mph calculator.

Exlpoded View of the Bert 1300 Late Model Racing Transmission

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 Tim as he swaps tail housings and covers on a T-5 transmission

We show you how to keep that old GM transmission when swapping in an LS engine. Our LS swap adapter kits make it easy!

Check out these tips on T-5 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.

Pat answers some commonly asked questions about the MSD LS fuel delivery kit and shows basic installation tips.