How To Figure Cubic Inch Displacement

Pat goes over how to figure cubic inch desplacement on this PowerNation Extra. Seeing as how it’s one of the first things gearheads go to, it’s only natural you’ll need to be able to find this information on your ride. The formual is:

.7854 (a derivitive of pi) x Bore x Bore x Stroke x Number of Cylinders

You can also use that formula to find cubic centimeters for imports, the bore and stroke numbers are just usually give in millimeters.