We may receive a commission on purchases made from links. I have been working on my own vehicles for almost 40 years and in that time have accumulated a sizable collection of tools. The bulk of them ...

A decade ago, engineers introduced a clever twist on engine design: a variable compression system that promised better efficiency and performance. Nissan and Infiniti were early adopters of this ...

We may receive a commission on purchases made from links. While browsing auto repair and maintenance tools at your local parts store, you've likely come across compression testers like the Orion Motor ...