Add Yahoo as a preferred source to see more of our stories on Google. Regulating heat and pressure inside an engine is necessary for its healthy operation. Piston ring end gaps play a vital role in ...

No matter how much we love them, our engines are still basically inefficient air pumps and need all the help they can get to make power. Like any other type of pump, if it leaks, it won't work. And ...

You might overlook the end gaps of piston rings in your car. They shouldn't be taken so lightly, though, as they actually play a vital role in your engine.