A head gasket leak is a serious engine issue, one that needs a major and expensive fix. However, you might have heard of gasket sealant, a liquid that promises to seal gasket leaks. Is it a miracle ...

Your car’s head gasket probably never comes to mind until something goes wrong. Since this is the piece that is between your ...

"Heads are everything." That's what Air Flow Research's Tony Mamo said to us in a recent phone conversation. "What to do with the heads is the most critical decision to make in any engine build." To ...

Over the past few months, we've stated in numerous articles (including our tech feature on Grump's 331-inch Chevy) that the main reason for the horsepower gains enjoyed by many of the Modified and Pro ...