Bore and stroke are important measurements when it comes to calculating an engines displacement, and the kind of performance an engine offers.

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 ...

MAN Diesel & Turbo has announced that its latest, mark-9, 80-cm-bore engine recently passed its Type Approval Test (TAT). The super-long-stroke S80ME-C9 engine now powers a Maersk Line container ...

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 ...

Time was, to build a bigger-displacement big-block, you did it mostly through the stroke. That's because the classic, Mark IV big-block is limited to about 0.100-0.125-inch maximum overbores. On a ...