It is incomplete to even talk about degreeing a camshaft without discussing piston-to-valve clearance. It's like learning how to drive but never being taught how to use the brakes. Learning how to ...

Lots of displacement, more compression, and a ton of valve lift used to be the recipe for a typical professional-level drag-race motor. Today, this same description could just as easily be a serious ...

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 ...

The instance of piston striking valve is right up at the top of the list of things that will ruin your day. It's fundamental tothe four-stroke cycle that valves and pistons come close to one another, ...