Presumably that you want to replace the worn out piston rings of a Toyota VVTi engine, you’ll need to know how to correctly put the new ones in place. The hardest part is to reach the piston rings ...

Over the years I've gathered quite a collection of weird tools that solve pesky problems, simplify tedious tasks, or because they're just plain cool ideas. From time to time, I'll share some of these ...

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 ...