- standard 3100 drive-train?

- front and/or rear "sway bar"?

There are after-market front sway bars available. The standard 3100 panel/suburban front sway bar ("ride stabilizer") would work on any 3100. They are sometimes available used - two styles 1947-1951(mid-year) and 1951(mid-year)-1955st.

Tim
1954Advance-Design.com
1954 3106 Carryall Suburban
1954 3104 5-window pickup w/Hydra-Matic
The 216 and early 235 engines are not "splash oilers" -- this is a splash oiler.