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

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

Learn how to identfy motors for your LS Swap. In this guide we cover generation 4 small block engines and some of the cheaper options for more power.

Gen 4 LS Engines - Junkyard LS Swap Identification Guide: Part 2

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

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

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

In this budget build, a GM rear end is upgraded in order to hold 400+ HP. See how spherical bushings are replaced in a used 8.5” GM 10 bolt rear end.

Replacing GM Rear End Spherical Bushings

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

How to install a chrome radiator hose kit and aluminum thermostat housing on a big block Chevy for an added touch to your engine bay.

Radiator Hose Replacement - Big Block Chevy

Kevin W. walks through each step of installing a new alternator bracket on a 454 Big Block Chevy.

Alternator Bracket Install on a 454 Big Block Chevy

Chevy LS engines get Engine Code as Top Category

Engine Family Facets

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Buick Engine Coolant Antifreezes Gm Chevy Gen 4 V8 Ls 5 3 Lmg

Buick Engine Oil Additives Gm Chevy Gen 4 V8 Ls 5 3 Lmg

Buick Brake Fluids Gm Chevy Gen 4 V8 Ls 5 3 Lmg

Buick Auto Trans Fluids Gm Chevy Gen 4 V8 Ls 5 3 Lmg

Buick Differential Fluid Gm Chevy Gen 4 V8 Ls 5 3 Lmg

Buick Motor Oil Gm Chevy Gen 4 V8 Ls 5 3 Lmg

Popular Parts

Buick GM LMG Engine Oil Change Kits

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Buick GM LMG Engine Oil Change Kits

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