Your engine is supposed to vibrate, just a little. But when the shaking gets harder to ignore, there’s probably something ...

No smoke machine? No problem. Learn how to check for engine vacuum leaks using visual cues, soapy water, and DIY tricks to ...

Federal safety regulators are scrutinizing General Motors again after reports that a previous recall repair did not stop ...

It's a big day. You've finally installed that lumpy cam in your big-block street-stormer, and you're ready for the testdrive. The cam's all broken in, the timing and ...