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.

6.0 LS Build Combinations: Recipes for 500-1,000 HP

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

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

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 Swap Guide: GM 3 Speed / 4 Speed Parts List

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

This old sedan was untouchable in the early 60's.

The Speedway Motors 4x Sedan

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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G-Body LSX 4L65E Parts

G-Body LSX 4L65E Parts | Speedway Motors

Shop G-Body LSX 4L65E Parts and get Free Shipping on orders over $175 at Speedway Motors, the Racing and Rodding Specialists. G-Body LSX 4L65E Parts in-stock with same-day shipping.

G-Body LSX 4L65E Parts

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Products

TorqLink™ 73-87 C10 Square Body Transmission Crossmember

Universal GM Transmission Crossmembers with Adjustable Mount Kit