Objectives:. This lab is designed to teach students how to: Analyze wear in an internal combustion engine.Utilize measurement equipment.Record accurate measurements.Evaluate engine condition based upon wear.. Measuring Cylinder Bore. Tools: Dial Caliper or 3\" Micrometer, Telescoping Gauge.Procedure: 6 measurement points. 2 @ TDC, 2 @ cylinder center, 2 @ BDC. For each set, one is parallel to the crank, while the other is perpendicular..