Inside GM’s Gen V LT engine family: history, tech, and performance of each LT engine option available.

GM Gen V Engine Guide | LT & EcoTec3 Engine Specs Guide

The 4.8 LS engine is a salvage yard bargain vs the typical 5.3 or 6.0 LS and can still make great power for your LS swap needs.

Vortec 4.8 LS Build: Horsepower Recipes, Specs, & Upgrades

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

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

Take a look at a few of the rare and wonderful Chevy engines in the Museum of American Speed!

Historic Chevy Performance Engines

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

To celebrate the upcoming 106th running of the Indianaplis 500, here's a look back at a few of the engines that have competed at the Brickyard over the years.

Historic Indy Engines 

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

55 Chevy Engine Build

Decode small block Chevy engine suffix codes and block casting numbers with our SBC decoding info guide. Learn how to find and decipher your small block Chevy engine codes quickly and easily!

Chevy Small Block Casting Numbers

Chevy LS engines get Engine Code as Top Category

Engine Family Facets

707063f6-5cf0-44d1-8e1f-49059e48addf

3fe4cfeb-d42e-4b60-a312-2940d324f962

Granatelli Motor Sports GM L20 T5 Parts

Granatelli Motor Sports GM L20 T5 Parts | Speedway Motors

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Granatelli Motor Sports GM L20 T5 Parts

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Granatelli 440100 Granatelli Motor Sports Coil Mounting Bracket