Welded four 5/8" nuts to four washers, then added 1/2" washers to those. Welded 1/2" threaded rod to the machined 1/2" plate steel. 1/2" plate to the main fork assembly. Plate steel with threaded rod then washer nut combo then porch swing spring, another washer/nut, through the main fork plate, washer/nut, spring, washer/nut. Topped of with 1/2" nut.
Welded 5/8" nuts into end of fork legs and bolted them on. Rocker arms are the first item on tomorrow's to do list.