Hemmings had a nice article on a 1940 LaSalle yesterday. Here is the link to it.
https://www.hemmings.com/stories/2020/08/31/upgrading-this-1940-la-salle-to-cadillac-spec-make-it-even-better-than-new?refer=news&utm_source=edaily&utm_medium=email&utm_campaign=2020-08-31
Enjoy
Jim