At 7,500 rpm, the pistons in your race engine reach either top-dead-center or bottom-dead-center and change directions 25 times per second. That means the piston goes from traveling at top piston ...

Let's face it: Most of us don't have engine lathes and milling machines in our garage. Heck, we barely have a complete socket set, much less honing machines and other whatzits to machine a motor with.

Plenty of aftermarket sellers stock breather bolts for Harley-Davidsons. But what are they? And is it a good idea to install ...

Buicks are pretty good, if not great. That's an opinion long held at CC dating back to the time we swapped an old Electra 225 motor into a Skylark wagon for summer fun, and then again when the Buick ...

Many don't give a second thought to cylinder head bolts once they're taken out of an engine, thinking of them as just another set of fasteners. But they have a much bigger role, maintaining a ...

Introducing a screw that knows more about your engine than you do. Feel insulted? You shouldn’t. The data bolt can store about 2 kilobytes of information, not a lot in comparison to your iPod, but its ...

In Tonawanda, N.Y., General Motors‘ factory temporarily installs a bolt with an embedded passive RFID tag on every cylinder head and engine block that GM uses to make its Gen 5 six- and eight-cylinder ...

Threaded fasteners haven’t changed drastically since they were invented ages ago. But now, General Motors has put RFID tags in the bolts used on engine assembly lines, turning simple hardware into ...