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

Transmission Interchange List Chevy, Ford, Mopar V8 Compatibility

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!

Gen III/IV LS Engine ID Guide

Not only is Greg Turner's '56 a great driver, it's full of great family memories. Built in the home garage by Greg and his sons, this clean Chevy has covered a lot of miles.

Greg's '56 Chevy

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

How to Identify GM Transmissions | 700R4, TH350, 4L60, TH400, 4L80e, Powerglide, & More

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

Transmission Replacement on a 55 Chevy

Derek kicks off his 55 Chevy rebuild with a fresh small block.

55 Chevy Engine Build

Chevy LS engines get Engine Code as Top Category

Engine Family Facets

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GM S-Series GM LY6 T56 Parts

GM S-Series GM LY6 T56 Parts | Speedway Motors

Shop GM S-Series GM LY6 T56 Parts and get Free Shipping on orders over $175 at Speedway Motors, the Racing and Rodding Specialists. GM S-Series GM LY6 T56 Parts in-stock with same-day shipping.

Universal GM Transmission Crossmembers with Adjustable Mount Kit

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TorqLink™ 73-87 C10 Square Body Transmission Crossmember

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Many Transmissions, 33" Overall Length, Steel, Black

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GM S-Series GM LY6 T56 Parts

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Universal GM Transmission Crossmembers with Adjustable Mount Kit

TorqLink™ 73-87 C10 Square Body Transmission Crossmember