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 ...

First-time engine builders and those working on mass-produced powerplants commonly use off-the-shelf pregapped piston rings. However, high-performance engine builders seem to spend a lot of time ...

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 ...