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Searching for valvetrain info? Check out all the valvetrain related articles here on the NAPA Know How blog. We’ve got Know How for all!

This blackened blown cylinder head gasket has been removed from a vehicle.

You Have a Cracked Head Gasket: Now What Do You Do?

Regardless of the type of vehicle you own, a blown head gasket ranks toward the top of the list of most-involved car repairs. Because of its complexity, you have to consider whether it’s worth doing or not. We’ve already examined the signs of a blown head gasket, so let’s take a closer look at what you should do when it comes time to…

how a camshaft works

Know-How Notes: How A Camshaft Works

Other than carburetors, there is nothing more mystical than how a camshaft works. Often dismissed as voodoo or magic, the brains of your engine is only mysterious to the uninitiated. Once you understand the basics, it is really isn’t rocket science.