Hydraulic lifters are a foreign realm to me, but you might be interested in the procedures/recommendations at the bottom of this tech tip: http://speedprint.com/deves50/valveadjust.php

Now, you hydraulically lifted stovebolters have a few new things to opine over.

Tim

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.