Flexplate install tricks?

What engine? early 273's have a small diameter Torque Converter pilot diameter. If using a 68 up Torque Converter, it will nor register correctly. It will keep the Torque Converter from going into the crank hub and pushing the flexplate away from the engine. The best trick is to spray a paint a stripe hitting fllexplate, Torque Converter, and one bolt before disassembly.