Cadillac Valve Stems

Follow these easy step by step metal valve stem installation instructions. Steel bolt in valve stems are a more reliable way to keep the air in your tires.

Learn how to choose the right valve springs for your camshaft, the differences between single and dual valve springs and when to replace them.

Learn how to check and set your engine's valve lashes to prevent and detect engine failure. See steps on removing spark plugs and if they are tuned correctly.

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!

Where do you stand on engine swaps? Does your Ford need to have a Ford engine and your Chevy need to have a Chevy? Or, does anything go in the name of speed? We want to hear your opinion...

Check out some cool overhead conversions to the Ford flathead V8 on display in the Museum of American Speed!

Follow along as our expert goes through his process for replacing the steel wire covers on his 1954 Dodge 241 with a set of Offenhauser Finned Wire Covers.

A guide on how to check piston to valve clearance to prevent interference. See what tools are used to make this process easier.

Rebuilding an engine? Stay organized by using a valvetrain rocker arm organizer tray while disassembling the valvetrain components. Learn some tips on why you shouldn't mix up lifters if you intend on using them again.

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