International Engine Control Modules

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

Determining the correct flexplate for your V8 Mopar-powered project takes a little understanding of how these engines were balanced. Our Mopar flexplate buyer’s guide will help.

Fuel injection is here to stay and we delve into the benefits of such retrofit systems for your classic muscle car or street rod in our EFI retrofit buyer's 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.

Modern hot rodding often blends classic looks with modern tech. Integrating current tech in custom cars can face issues like radio noise and erratic gauges due to EMI. This guide helps diagnose and repair common EMI causes.

There are a lot of choices when it comes to automatic shifters, and we’ll help unpack all the options and features in our automatic shifter buyer’s guide

Upgrading to electronic ignition is a huge improvement in performance, reliability, and lower maintenance that you can add to just about any engine your project may be running. Learn all about your electronic ignition choices in this buyer's guide.

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!

While everyone is looking for a 6.0 LS, don’t count out the original 5.7 LS1 engine for your next LS swap performance build

Learn how HEI distributors work, how to wire and install them, and why they’re a top upgrade over points ignition systems. Includes tips on testing, vacuum advance, and DUI distributor benefits.