360 Flywheel question

If you're up for doing the mod yourself, I can fax you the blueprints. The 1-13/64 drill will be imposable to find, But use a 1- 3/16 bit and drill the depth to .6770 inch instead.View attachment 1715373953
McMaster-Carr has 1 13/64" drill bits, if you want to spend $76.00