GMC Fuel Injector Connectors

Making great horsepower on a budget is the LS engine family’s claim to fame, but just like any other engine, the more power you ask of it the more you’ll need to spend.

Cleaning fuel injector nozzels is a must in your car maintenance regimen. Learn the steps on how to properly disconnect fuel lines and check the barrel valve.

Learn about the wiring of GM HEI Ignition Distributors with our diagrams and guide. Ensure you are getting the best performance out of your ignition 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.

Troubleshooting a fuel gauge can be a seriously aggravating issue. Click here for a video showing some hints and tips!

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 about GM alternator identification in our guide. We cover GM 3 wire alternators, 1 wire alternators, and externally regulated so you know what to choose.

In this budget build, a GM rear end is upgraded in order to hold 400+ HP. See how spherical bushings are replaced in a used 8.5” GM 10 bolt rear end.

Decode, ID, and upgrade your GM 12-bolt rear end. Learn axle specs, gear ratios, and best performance parts upgrades.

Learn how to swap out an LS engine with a modern fuel injected engine into a hot rod for added horsepower, fuel economy, or throttle response. View a list of parts and helpful tips to complete the installation.