Vehicle engines have many moving parts that require a constant oil supply or need to be shielded from it. Valve cover gaskets, among other gaskets, keep oil where it is needed and prevent leaks to ...

A few days ago, we published a report highlighting the valve lifter issues some General Motors customers were experiencing in certain vehicles equipped with either its 5.3L V8 L84 gasoline engine or 6 ...

A small gap with big importance in the performance and health of an engine - here's everything you need to know.

Q:I have a 327 in my '31 Ford that features nearly the same cam and components as the one you referenced recently in Pit Stop (Nov. '12). Since a 1.6:1-ratio rocker arm will push the valve a little ...

You've probably read this line a dozen times: "It's never been easier to make horsepower than right now." While that's true, it also means everything else in the engine is now more highly stressed.