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

Tired of pulling your breather to pour oil in your system? We've got you covered.

Speedway Tech Talk - Valve Cover Oil Filler Cap 

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

A look at some LS Oil Pans for your swap project. Our video guide walks you through some great options.

Speedway Tech Talk - LS Oil Pans

Pat talks about one of our LS1 fuel delivery kits.

Speedway Tech Talk - LS1 Fuel Delivery Kit

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

Lake Speed Jr., from Driven Racing Oil, answers the question "what viscosity grade should I run". He explains what viscosity really means and some key factors to keep in mind when selecting the right viscosity grade for your engine and application.

In The Shop with Driven Racing Oil - Viscosity

Choosing new wheels for a GMC Chevrolet truck. This project uses Speedway Motors GM Rally Wheels and new tires to enhance the appearance of the truck.

GM Rally Wheels

Chevy LS engines get Engine Code as Top Category

Engine Family Facets

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Drag Racing Engine Oil Pans Gm Chevy Gen 4 V8 Ls 6 2 Ls3

Popular Parts

GM LS3 Drag Racing Oil Filler Caps

GM LS3 Drag Racing Oil Filler Caps | Speedway Motors

Shop GM LS3 Drag Racing Oil Filler Caps and get Free Shipping on orders over $175 at Speedway Motors.

GM LS3 Drag Racing Oil Filler Caps

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Earls 3434122ERL Oil Fill Cap, PCV Vent, -10 ORB Port

Chevrolet Performance Parts 12642163 LS Engine Oil Fill Cap

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