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 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

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

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

Ready to get that crusty, stinky old fuel tank out from behind the seat of your classic truck and upgrade to an in-tank electric fuel pump? Speedway Motors has just the tank for you!

Under Box EFI Ready Fuel Tanks for your Classic Truck

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

Here's our attempt to do the impossible: pick a favorite GM truck design!

Pick a Side: What Was the Best Generation of GM Trucks?

Steve Silva's '52 3100 is an eye catching truck, and it's also hiding a few surprises that were integrated by one very clever and talented builder.

Steve's 1952 Chevy Truck

This slick grey 55 Chevy truck is as clean as they come, and there are more hidden details throughout than the subtle exterior would lead you to believe.

1955 Chevy Truck

Chevy LS engines get Engine Code as Top Category

Engine Family Facets

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Ford Classic Truck Weather Pack Series Connectors Gm Chevy Gen 4 V8 Ls 5 3 Ls4

Ford Classic Truck Air Bag Connectors Gm Chevy Gen 4 V8 Ls 5 3 Ls4

Ford Classic Truck Tachometer Gauge Connectors Gm Chevy Gen 4 V8 Ls 5 3 Ls4

Ford Classic Truck Tachometer Sensor Connectors Gm Chevy Gen 4 V8 Ls 5 3 Ls4

Ford Classic Truck Exterior Light Bulb Sockets Gm Chevy Gen 4 V8 Ls 5 3 Ls4

Ford Classic Truck Fuel Pump Relay Connectors Gm Chevy Gen 4 V8 Ls 5 3 Ls4

Ford Classic Truck Butt Connectors Gm Chevy Gen 4 V8 Ls 5 3 Ls4

Ford Classic Truck Fuel Injector Connectors Gm Chevy Gen 4 V8 Ls 5 3 Ls4

Ford Classic Truck Terminal Assortments Gm Chevy Gen 4 V8 Ls 5 3 Ls4

Ford Classic Truck Electrical Pin Connectors Gm Chevy Gen 4 V8 Ls 5 3 Ls4

Ford Classic Truck Electrical Clamps Gm Chevy Gen 4 V8 Ls 5 3 Ls4

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Ford GM LS4 Classic Truck OBD2 Ports

Ford GM LS4 Classic Truck OBD2 Ports | Speedway Motors

Shop Ford GM LS4 Classic Truck OBD2 Ports and get Free Shipping on orders over $199 at Speedway Motors.

Ford GM LS4 Classic Truck OBD2 Ports

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ICT Billet WP0BD30 GM LS OBD2 Dash Diagnostic Port 4-Wire Pigtail

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