Buick GS 4L80E Electronic Fuel Injection

This resource contains a transmission pan shape ID chart and other tips to help with identifying GM transmissions.

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!

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.

What's the best way to handle an LS swap fuel pump? Watch for some tips and tricks as we assemble the in-tank pump to feed our 5.3-powered C10 truck project.

Learn how to replace a fuel sending unit. Our fuel gauge sending unit guide and installation video covers all you need to match your fuel sender and gauge.

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!