The two types of journals on a crankshaft are the rod journals and the main journals. The are attached to the rod journals. The main journals are used to mount the crankshaft to the . The distance that the rod journals are offset from the centerline of the crankshaft is called the . The small space between a bearing and a crankshaft journal is called the . The order in which an engine’s cylinders complete their power stages is called the engine’s . Illustrate or explain the process by which combustion creates vehicle motion.