GMC 300 Compression Fittings

If you're ready to swap an LS engine into you '73-'87 Squarebody Chevy or GMC truck, here's a guide to get you started and a parts list to help you get everything you need for your swap.

Hose & Fitting

What fittings should you use with your brake or fuel system? What does AN and NPT stand for? All of these questions plus more will be answered in Speedway Motors' latest article about fasteners!

Dick from Koul Tools shares a tip on how to properly seat the AN fittings using the Koul Tools device.

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.

Inside GM’s Gen V LT engine family: history, tech, and performance of each LT engine option available.

Learn more about GM steering column identification, GM steering column lengths, and GM steering column compatibility.

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.

Learn how to install a side detent shifter in a 1969 Chevy C10.

An overview on swapping turbo mufflers for chamber mufflers on a 1969 C/10 pickup. See how to extend the muffler length using exhaust pipe.