GMC 100 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!

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

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.

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

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.

In this Tech Tip, John answers a customer question about what would be needed to swap some additional power in place of his anemic 233c.i. Ford.