Switching 1963 valiant wiper assy to 1965 questions

I did that also on my 63 valiant 25 years ago.

But we had a 65 parts car, and wanted this project to come out as clean as possible. I have no regrets about swapping firewalls.

Just have to figure out which pivots work with which arms
Yea but that a lot of work to me and the way mine looks you can't even tell it and i used a HEI distb. to