Tri-Five 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!

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

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

In this Tech Tip, John explains the design behind a set of headers destined for a Tri-5 using a traditional rack and pinion style steering system.

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.

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.

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!

Check out these tips on T-5 transmissions!

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.