Pretty straight forward to swap in a 235 in place of a 216.
You still won't be able to go over 50 MPH.
You will need to spend some significant money to change the 4.11 gears for 3.55 gears.
You could replace the entire rear end for a more modern one with lower ratio gears.


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