Shawn,
After looking at the pictures that Kutter posted... I decided to take a look at my "how to bend a 73 tang" notes...
The original 73 PG tangs had a very light bend to them, not nearly as much as the 92/94s and certainly not as much as the 64s.The bend is rearward of the mainspring and tang screws.
Because of this, Winchester did not put a boss into the lower tang, they also used the standard mainspring, and if my notes read correctly they did not bend the lever, since the standard lever will activate the hammer safety and can still be latched by the lever latch. The bend on a PG 73 is actually quite minimal.
Try and borrow an original PG lower tang to get the bend correct, and still anneal & heat prior to bending.
Steven, FYI; in case you need another set trigger adjustment screw, it's a 0-80 screw,easily made as the dies are available, and the Model Railroad guys seem to keep them in stock
V/R
Mike