Modern internal combustion engines are under a lot of stress during normal operation. In particular, there's a lot of tension between the cylinder head and the engine block, especially in diesel ...

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 ...

The one universal law for any engine whether or not a cylinder head bolt can be reused is what condition is it in. Head bolts removed from an engine running with a blown head gasket can be rusty. If a ...

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.

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 ...