Thunder Power's 4-valve cylinder head conversion for big-block Chevys bolts right onto production iron or aftermarket aluminum cylinder blocks. The heads even have the necessary bosses to add an extra ...

Rather than using conventional bolts, some automakers rely on torque-to-yield bolts for specific engines. But why are these ...

If you've ever dabbled in auto repair or engine tinkering, you may understand just how frustrating a broken bolt can be. It's ...

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.

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 ...