ENGINE CLINIC

Basic Engine Displacement 101 Dial-and-digital calipers like this one are ideal for checking engine dimensions and can be purchased for under $20. OUR FIRST LETTER THIS MONTH, which follows later, provided the inspiration for our opening topic this month's column, "How do you determine the displacement of an unmarked engine?" Basically, an engine's displacement is nothing more than determining the volume of a cylinder which we were taught in our fourth or fifth grade math...