Kevin,
Thank you for the pictures of your half panels. You are right. Those are not made correctly.
Where did you buy them? Someone does make the lowers with nearly perfect bends at to bottom. Its worth trying to find them, at least for the next guy down the road facing this job.

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