Try moving the striker on pillar in the opposite direction than what would make sense to you to make the door latch right.
Try this no matter how stupid you may think that I am. smile
Get back to us when you find that this solved your problem (or to confirm that I am indeed stupid).

1952 5-window - return to "as built" condition | 1950 3100 with a 235 and a T-5 transmission