Maybe I am not correctly understanding some of the posts above, but, I do not think it would be good idea to use any silicone-based (or silicone-impregnated) product anywhere near a surface that was being prepared to be painted.

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.