4L85E Classic Truck Transmission Parts

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

A new print and digital magazine about all things classic truck and more, brought to you by some familiar names.

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

Ready to get that crusty, stinky old fuel tank out from behind the seat of your classic truck and upgrade to an in-tank electric fuel pump? Speedway Motors has just the tank for you!

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

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