Gearheads and faithful Jalopnik readers already know the basics of an engine's bore and stroke, but for those that might be new here, let's dip our toes in the shallow end. An engine's bore refers to ...

There's a common phrase in the automotive sphere: "There's no replacement for displacement." But what does that mean, exactly? Well, an engine's displacement is measured by the volume of the ...

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 ...

The bore scoring issues in Porsches can kill rod bearings, cause crankshaft and piston damage, and cracked cylinders.