"What year is the 235, hope it's after 1954 for full pressure. "

1954 and later for high-pressure engine oil-lubrication . . .

And, 54/55st do not need water pump adapter (a 55-63 235/261 jewel/saviour produced by Pre '68 Dave).

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.