Modified Mechanical 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!

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.

Building GM’s LQ4 6.0L Gen 3 LS engine for various power levels is easy with the right performance parts recipe.

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.

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

Read about how important a clean fuel system is for your micro sprint. Learn how to clean and maintain the fuel system during race season.

Overheating is a major cause of DNFs and damaged engines. We'll go beyond the cooling system for solutions to your overheating issues.

Learn how to install a bypass and deadhead style fuel pressure regulator. We cover how these regulators work with a carburetor and advantages of each style.

Learn a few tips on how to properly mount Modified bodies and some products that will help get your race car body fabrication job done!

There's a new spec engine option for the 2025 IMCA Modified season. Here's what you need to know.