TH400, Auto Trans Oil Pans

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

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

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 install a side detent shifter in a 1969 Chevy C10.

A look at some LS Oil Pans for your swap project. Our video guide walks you through some great options.

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

Looking to swap the venerable LS engine into your hot rod, muscle car, or classic truck? Take a look at our detailed identification guide for Gen III/IV LS engines before you hit the salvage yard or swap meet!

Making great horsepower on a budget is the LS engine family’s claim to fame, but just like any other engine, the more power you ask of it the more you’ll need to spend

OEMs have moved away from flat tappet cams, and so has mainstream motor oil. Find out what you need to know about the best oil for flat tappet cams right here.

Learn how to repair an oil line leak using steel braided hose and AN fittings. See how to cut the hose, measure angles, apply fittings and install fuel lines back into your car.