Nuthin to it. remove #1 plug, put the piston stop in. Put the degree wheel on the balancer. I use a piece of coat hanger wire for a pointer. Then, turn the engine by hand until the piston comes up and contacts the piston stop. Record the number the pointer is pointing to. Then rotate the engine back the other way until the piston contacts the stop again. Record that number. Exactly halfway between those two points is true TDC.