4L80E Street Automatic Transmissions

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

Concerned about a transmission swap? Our engine transmission compatibility checker will help confirm what you need to make it happen.

There are a lot of choices when it comes to automatic shifters, and we’ll help unpack all the options and features in our automatic shifter buyer’s guide

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

The 700R4 is a great choice when it's time to upgrade your classic car or truck with an overdrive transmission. Here's what you need to know about GM's famous 4-speed automatic.

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.

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!

Day Three is in the books of the Speedway Motors Week to Wicked 1952 Chevy build. Progress today included putting the engine and tranny where they belong and continued work on the wiring.

Pat shows off how easy wiring your LS can be with our LS wiring kit.

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