Boring and honing are important parts of the engine-building and rebuilding processes, but they're not the same thing. Here ...

At Circle Track we're all about tech, all the time. And at least a few times a year we'll show you how to assemble your own engine from air filter to oil pan. But one area of tech we rarely touch on ...

When it comes to engines, wear is the enemy. Many parts are victim to friction, but the cylinder walls are some of the unluckiest areas of an engine. With each rotation the piston rings scrape up and ...

It is widely recognized that cast, machined metal parts tend to have memory created from internal stresses. In the presence of temperature changes, these stresses often cause dimensional and ...

Add Yahoo as a preferred source to see more of our stories on Google. The bore of a cylinder (along with the stroke and the number of cylinders in the engine) is what determines displacement.