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 inauguration of a world-record subsea compression system in Norway in August 2025 marked a pioneering leap in engineering ...

If you’re an owner-operator or small fleet owner staring down the barrel of an engine problem, you already know the ...

Even after 343,000 miles and a major crash, the 1FZ-FE still showed clean internals, balanced wear, and a bottom end that ...

Nissan brought the first, and only, variable-compression engine to market. But its future doesn't look bright. Complexity in cars is a funny thing. It’s tempting to say that it’s all bad, that more is ...

Testing. It’s the backbone of hot rodding, and it’s how we separate facts from fiction. It’s also where we generate even more questions, which often results in, you guessed it, more testing. The ...