datamaster.....Cyl ID#. what is it.

97Z-M6
10-24-2003, 03:07 PM
in data master where you can change what shows on the graph, when you double click it and the choices come up to choose from, theres one that says cyl ID# what is it. i tried it and the only numbers it shows is 86, 66, 76, 55, 65. what are they.