AC Shelby Cobra C4 Engine Parts

Concerned about a transmission swap? Our engine transmission compatibility checker will help confirm what you need to make it happen.

Learn what goes into setting the fuel for your engine and how to change the density altitude, ADR, main pill and high speed pressure to optimize a/f ratio.

What cars are just so great that they deserve to be carved into the side of a mountain?Here's a list of suggestions from the Speedway Motors staff...

There's a right and wrong way to run a two-barrel carburetor on your vintage engine. Check out this guide about how to select the correct carburetor for your Flathead or vintage engine.

Learn how to equip your car with A/C by installing the Vintage Air GenIV SureFit Complete Kit. Jeff installs this kit in his 1967 Chevelle while making some vent modifications to enhance the look and direct air better.

Learn how to successfully upgrade the cooling system for a 400 small block Chevy. Read tips for installing a water pump and auxiliary coolant lines using fittings and fuel hoses.

Take a look at a few of the rare and wonderful Chevy engines in the Museum of American Speed!

In this Tech Tip, John offers some guidance to a customer looking to cool his 1946 Ford Sedan.

How does a cooling system work? Why is your engine overheating? What parts should you be giving your attention to? This guide answers all your questions.

Derek kicks off his 55 Chevy rebuild with a fresh small block.