degreeing a cam / Intake Centerline

You can find TDC with a piston stop. You can make one or buy one from Summit. Then you bring the piston to close to TDC on compression. Install the stop, and turn the engine clockwise until the piston contacts the stop (slowly for a light touch...) Place a mark on the balancer. Then turn the engine counter clockwise until the piston comes back up and touches the stop again. Make a second mark on the balancer. Remove the stop. Measure the long distance between the marks. The midpoint of that distance is exact TDC.