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 ...

The Stoke Space rocket engine test lights up a vertical test stand in Moses Lake, Wash. (Stoke Space Photo) Stoke Space successfully hotfired its first-stage rocket engine on a new vertical test stand ...

We put both engines on the dyno to see which made more horsepower and torque. It didn’t go as planned. Over the past year, we assembled two very mild small-blocks aimed at the typical hot-rodder ...