Work into the metal (with a toothbrush or any brush) and wipe off gently whatever will wipe off. Then, run the engine to warmed-up, turn it off, and after it has cooled down enough to touch, gently wipe off the surfaces again.

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.