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

The 700R4 is a great choice when it's time to upgrade your classic car or truck with an overdrive transmission. Here's what you need to know about GM's famous 4-speed automatic.

700R4 Transmission Complete Guide | Diagrams, HP Ratings, FAQ

We show you how to keep that old GM transmission when swapping in an LS engine. Our LS swap adapter kits make it easy!

How to Adapt LS Engine to 700R4 or Turbo 350 Transmissions

Learn about finding the correct beadlock rings, lug-nut taper, wheel spacers, mud covers, and valve stems. This components are critical for safety.

Racing Wheel Technology Guide - Components and Design

Professional insight on some useful crate engine tools that will improve your engine building experience.

Engine Building Tool Guide

There are several types of quarter-turn fasteners used in the performance automotive aftermarket and in this buyer's guide we'll help show you the correct fastener for your application and how some of the most common types of fasteners are used.

Selecting Quarter-Turn Fasteners

Brinn Transmission Rebuild Instructions

Engine Family Facets

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2004R, Technical Books

2004R, Technical Books | Speedway Motors

Shop 2004R, Technical Books and get Free Shipping on orders over $175 at Speedway Motors, the Racing and Rodding Specialists. 2004R, Technical Books in-stock with same-day shipping.

2004R, Technical Books

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CarTech SA140 GM Auto Overdrive Trans Builder's/Swapper's Guide