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 ...

Unless you drive a rotary-powered Mazda, the characteristics of your gasoline or diesel engine are largely defined by its bore (the width or diameter of the cylinders) and stroke (the distance the ...

During an event in Huntsville, Ala., on Tuesday, Sept. 23, Navistar Engine Group celebrated the 75th anniversary of its first production diesel engine, the D-40, with the dedication of the facility ...