The bore of a cylinder (along with the stroke and the number of cylinders in the engine) is what determines displacement. Increasing the bore can help boost the horsepower of your engine, which is ...

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 building a new engine, much attention is paid to enhance piston ring seal, especially during the break-in process. This effort begins by making sure the cylinder walls are as clean as possible ...