BMW 4L65E Electronic Fuel Injection

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.

A real-world guide to 4L60 transmission specs, strength, and swap tips.

A step by step on how to install an EFI Fuel Tank kit in a 1967 Chevelle. Learn the benefits of using this kit including expanded fuel capacity and a 24 gallon tank.

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

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.

Jeff walks through how to install an EFI filter for his fuel system. See how to assemble conversion fittings to accurately plumb the fuel lines and tips on fuel line routing.

A detailed explanation of how Speedway Motors small block fuel pump works and a guide for how to replace and install the mounting gasket.