GMC C3500 Engine Control Modules

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!

Make Your Engine Stand Out with These Engine Block Painting Tips

Engine Cylinder Numbers

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.

See how to install 3" Ram Horn exhaust manifolds on a C/10 with a 406 engine. Learn some tips on welding steel tubing to a cast iron manifold and how they are modified to fit the truck.