American Powertrain Hydramax install?

Page 11, 2 down. Clutch and Trans threads.
My set up
'69 Dart
Centerforce II clutch, diaphragm
Lake wood shield
Without the overcenter spring, might as well have a 3 finger B&B.
Have had 2 hernia surgerys, need a softer pedal push, that's my goal. Yeah I know, get an automatic.