At the heart of your powerplant is the crankshaft, and this baby not only has to endure the entire rotating mass, but it is subjected to countless spin cycles at varying rpm. It's a tough life, which ...

If you're one of those guys who take pride in building a high-performance engine, you know that one of the most important aspects of making that rotating mass live a long and powerful life is setting ...

Establishing proper bearing clearance requires serious dedication to the science of reading a micrometer. Checking the crank means measuring each journal in at least four places to check for ...

Blueprinting has become an abused term. For those who build their own engines—or at least want to know how to check clearances like valve-to-piston on an existing engine—we will offer some techniques ...