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 ...

What makes piston ring selection and ring endgap so important to engine life and power? What's more, what makes that first engine firing so critical to proper break-in and longevity? Those first few ...

Engine building is technically a science, but the truth is that there is just as much art as there is science. Where most might think that the “art” part of engine building is in the design and ...

I've always wanted to rebuild an engine myself, so I'm doing the 327 Chevy out of my 1955. I've bought books, watched videos, but I'm still confused about piston ring gaps. My rebuild kit came with ...